diff --git a/action/action-dsl-spi/pom.xml b/action/action-dsl-spi/pom.xml
index 250769f038e..c7b83d4bfb0 100644
--- a/action/action-dsl-spi/pom.xml
+++ b/action/action-dsl-spi/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-action</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-action-dsl-spi</artifactId>
diff --git a/action/action-dsl/pom.xml b/action/action-dsl/pom.xml
index fdaf55bd194..5b89d567080 100644
--- a/action/action-dsl/pom.xml
+++ b/action/action-dsl/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-action</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-action-dsl</artifactId>
diff --git a/action/action-simulator/pom.xml b/action/action-simulator/pom.xml
index b260ac06e5d..c815463fdc8 100644
--- a/action/action-simulator/pom.xml
+++ b/action/action-simulator/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-action</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-action-simulator</artifactId>
diff --git a/action/action-util/pom.xml b/action/action-util/pom.xml
index e15947393ab..cb6f3d7e871 100644
--- a/action/action-util/pom.xml
+++ b/action/action-util/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-action</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-action-util</artifactId>
diff --git a/action/pom.xml b/action/pom.xml
index 840e05883ad..f9a31c2c6e0 100644
--- a/action/pom.xml
+++ b/action/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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         <artifactId>powsybl-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <packaging>pom</packaging>
diff --git a/afs/afs-core/pom.xml b/afs/afs-core/pom.xml
index 46ec8755a35..8e94a70b16c 100644
--- a/afs/afs-core/pom.xml
+++ b/afs/afs-core/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-afs</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-afs-core</artifactId>
diff --git a/afs/afs-ext-base/pom.xml b/afs/afs-ext-base/pom.xml
index b0556a402cd..a70d58a7922 100644
--- a/afs/afs-ext-base/pom.xml
+++ b/afs/afs-ext-base/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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         <groupId>com.powsybl</groupId>
-        <version>3.0.0-SNAPSHOT</version>
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     </parent>
 
     <artifactId>powsybl-afs-ext-base</artifactId>
diff --git a/afs/afs-local/pom.xml b/afs/afs-local/pom.xml
index dd790fcf83b..82bfb63313c 100644
--- a/afs/afs-local/pom.xml
+++ b/afs/afs-local/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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         <groupId>com.powsybl</groupId>
-        <version>3.0.0-SNAPSHOT</version>
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     <artifactId>powsybl-afs-local</artifactId>
diff --git a/afs/afs-mapdb-storage/pom.xml b/afs/afs-mapdb-storage/pom.xml
index d978238da83..840999730d6 100644
--- a/afs/afs-mapdb-storage/pom.xml
+++ b/afs/afs-mapdb-storage/pom.xml
@@ -15,7 +15,7 @@
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         <groupId>com.powsybl</groupId>
-        <version>3.0.0-SNAPSHOT</version>
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     </parent>
 
     <artifactId>powsybl-afs-mapdb-storage</artifactId>
diff --git a/afs/afs-mapdb/pom.xml b/afs/afs-mapdb/pom.xml
index 7f16b1defa6..f69313b8326 100644
--- a/afs/afs-mapdb/pom.xml
+++ b/afs/afs-mapdb/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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     <artifactId>powsybl-afs-mapdb</artifactId>
diff --git a/afs/afs-network/afs-network-client/pom.xml b/afs/afs-network/afs-network-client/pom.xml
index 0152c384779..f1997dcec53 100644
--- a/afs/afs-network/afs-network-client/pom.xml
+++ b/afs/afs-network/afs-network-client/pom.xml
@@ -15,7 +15,7 @@
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-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-afs-network-client</artifactId>
diff --git a/afs/afs-network/afs-network-server/pom.xml b/afs/afs-network/afs-network-server/pom.xml
index 49629ff1812..04d5889c776 100644
--- a/afs/afs-network/afs-network-server/pom.xml
+++ b/afs/afs-network/afs-network-server/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-afs-network-server</artifactId>
diff --git a/afs/afs-network/pom.xml b/afs/afs-network/pom.xml
index 32e301827ce..019053b398f 100644
--- a/afs/afs-network/pom.xml
+++ b/afs/afs-network/pom.xml
@@ -15,7 +15,7 @@
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-        <version>3.0.0-SNAPSHOT</version>
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     <artifactId>powsybl-afs-network</artifactId>
diff --git a/afs/afs-storage-api/pom.xml b/afs/afs-storage-api/pom.xml
index a9ae319d256..c5e7c8bc0d8 100644
--- a/afs/afs-storage-api/pom.xml
+++ b/afs/afs-storage-api/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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-        <version>3.0.0-SNAPSHOT</version>
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     <artifactId>powsybl-afs-storage-api</artifactId>
diff --git a/afs/afs-ws/afs-ws-client-utils/pom.xml b/afs/afs-ws/afs-ws-client-utils/pom.xml
index 8008fa687bd..8111af62365 100644
--- a/afs/afs-ws/afs-ws-client-utils/pom.xml
+++ b/afs/afs-ws/afs-ws-client-utils/pom.xml
@@ -15,7 +15,7 @@
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-        <version>3.0.0-SNAPSHOT</version>
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     <artifactId>powsybl-afs-ws-client-utils</artifactId>
diff --git a/afs/afs-ws/afs-ws-client/pom.xml b/afs/afs-ws/afs-ws-client/pom.xml
index 94eef04af30..51e6603d370 100644
--- a/afs/afs-ws/afs-ws-client/pom.xml
+++ b/afs/afs-ws/afs-ws-client/pom.xml
@@ -14,7 +14,7 @@
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-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-afs-ws-client</artifactId>
diff --git a/afs/afs-ws/afs-ws-server-utils/pom.xml b/afs/afs-ws/afs-ws-server-utils/pom.xml
index 7ba380e73c2..646c37580ae 100644
--- a/afs/afs-ws/afs-ws-server-utils/pom.xml
+++ b/afs/afs-ws/afs-ws-server-utils/pom.xml
@@ -15,7 +15,7 @@
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-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-afs-ws-server-utils</artifactId>
diff --git a/afs/afs-ws/afs-ws-server/pom.xml b/afs/afs-ws/afs-ws-server/pom.xml
index c7afb4d14c4..570b2e2db01 100644
--- a/afs/afs-ws/afs-ws-server/pom.xml
+++ b/afs/afs-ws/afs-ws-server/pom.xml
@@ -14,7 +14,7 @@
     <parent>
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-        <version>3.0.0-SNAPSHOT</version>
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     <artifactId>powsybl-afs-ws-server</artifactId>
diff --git a/afs/afs-ws/afs-ws-storage/pom.xml b/afs/afs-ws/afs-ws-storage/pom.xml
index d668a6220d8..b3bc760c8b9 100644
--- a/afs/afs-ws/afs-ws-storage/pom.xml
+++ b/afs/afs-ws/afs-ws-storage/pom.xml
@@ -14,7 +14,7 @@
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     </parent>
 
     <artifactId>powsybl-afs-ws-storage</artifactId>
diff --git a/afs/afs-ws/afs-ws-utils/pom.xml b/afs/afs-ws/afs-ws-utils/pom.xml
index a26803bdf14..e19b0d48f12 100644
--- a/afs/afs-ws/afs-ws-utils/pom.xml
+++ b/afs/afs-ws/afs-ws-utils/pom.xml
@@ -14,7 +14,7 @@
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     <artifactId>powsybl-afs-ws-utils</artifactId>
diff --git a/afs/afs-ws/pom.xml b/afs/afs-ws/pom.xml
index 52940463e7c..a9c9fcb5083 100644
--- a/afs/afs-ws/pom.xml
+++ b/afs/afs-ws/pom.xml
@@ -15,7 +15,7 @@
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         <artifactId>powsybl-afs</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
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     <artifactId>powsybl-afs-ws</artifactId>
diff --git a/afs/pom.xml b/afs/pom.xml
index 028db5c0186..ba8d8a9a0ae 100644
--- a/afs/pom.xml
+++ b/afs/pom.xml
@@ -15,7 +15,7 @@
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         <artifactId>powsybl-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <packaging>pom</packaging>
diff --git a/ampl-converter/pom.xml b/ampl-converter/pom.xml
index 378d1cf51a8..51b03e65412 100644
--- a/ampl-converter/pom.xml
+++ b/ampl-converter/pom.xml
@@ -14,7 +14,7 @@
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-        <version>3.0.0-SNAPSHOT</version>
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     <artifactId>powsybl-ampl-converter</artifactId>
diff --git a/cgmes/cgmes-conformity/pom.xml b/cgmes/cgmes-conformity/pom.xml
index ab857f951e3..24e6c28b444 100644
--- a/cgmes/cgmes-conformity/pom.xml
+++ b/cgmes/cgmes-conformity/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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         <artifactId>powsybl-cgmes</artifactId>
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     <artifactId>powsybl-cgmes-conformity</artifactId>
diff --git a/cgmes/cgmes-conversion/pom.xml b/cgmes/cgmes-conversion/pom.xml
index b5603f33efa..c68d06bb512 100644
--- a/cgmes/cgmes-conversion/pom.xml
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@@ -15,7 +15,7 @@
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     </parent>
 
     <artifactId>powsybl-cgmes-conversion</artifactId>
diff --git a/cgmes/cgmes-model-alternatives/pom.xml b/cgmes/cgmes-model-alternatives/pom.xml
index 2b93a947650..3784809bf91 100644
--- a/cgmes/cgmes-model-alternatives/pom.xml
+++ b/cgmes/cgmes-model-alternatives/pom.xml
@@ -15,7 +15,7 @@
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     <artifactId>powsybl-cgmes-model-alternatives</artifactId>
diff --git a/cgmes/cgmes-model/pom.xml b/cgmes/cgmes-model/pom.xml
index a620ad2d0e9..3aae12e8173 100644
--- a/cgmes/cgmes-model/pom.xml
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@@ -15,7 +15,7 @@
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         <artifactId>powsybl-cgmes</artifactId>
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     <artifactId>powsybl-cgmes-model</artifactId>
diff --git a/cgmes/pom.xml b/cgmes/pom.xml
index 67f5fc332f4..fbf826874ef 100644
--- a/cgmes/pom.xml
+++ b/cgmes/pom.xml
@@ -13,7 +13,7 @@
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         <artifactId>powsybl-core</artifactId>
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     <artifactId>powsybl-cgmes</artifactId>
diff --git a/cim-anonymiser/pom.xml b/cim-anonymiser/pom.xml
index d680067f180..3eda663cce8 100644
--- a/cim-anonymiser/pom.xml
+++ b/cim-anonymiser/pom.xml
@@ -15,7 +15,7 @@
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         <artifactId>powsybl-core</artifactId>
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     </parent>
 
     <artifactId>powsybl-cim-anonymiser</artifactId>
diff --git a/commons/pom.xml b/commons/pom.xml
index b89f801e328..0b96ae087c0 100644
--- a/commons/pom.xml
+++ b/commons/pom.xml
@@ -15,7 +15,7 @@
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         <artifactId>powsybl-core</artifactId>
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     </parent>
 
     <artifactId>powsybl-commons</artifactId>
diff --git a/computation-local/pom.xml b/computation-local/pom.xml
index 201858006f6..00465c3e08a 100644
--- a/computation-local/pom.xml
+++ b/computation-local/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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         <artifactId>powsybl-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
     
     <artifactId>powsybl-computation-local</artifactId>
diff --git a/computation/pom.xml b/computation/pom.xml
index 3f791161184..a8009966ac8 100644
--- a/computation/pom.xml
+++ b/computation/pom.xml
@@ -15,7 +15,7 @@
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         <artifactId>powsybl-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-computation</artifactId>
diff --git a/contingency/contingency-api/pom.xml b/contingency/contingency-api/pom.xml
index 4bbcab439d8..4846d3d69f5 100644
--- a/contingency/contingency-api/pom.xml
+++ b/contingency/contingency-api/pom.xml
@@ -15,7 +15,7 @@
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         <artifactId>powsybl-contingency</artifactId>
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+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-contingency-api</artifactId>
diff --git a/contingency/contingency-dsl/pom.xml b/contingency/contingency-dsl/pom.xml
index 9cc91bb1275..64d97459f21 100644
--- a/contingency/contingency-dsl/pom.xml
+++ b/contingency/contingency-dsl/pom.xml
@@ -6,7 +6,7 @@
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         <artifactId>powsybl-contingency</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-contingency-dsl</artifactId>
diff --git a/contingency/pom.xml b/contingency/pom.xml
index 840f1599650..06a35a2ffaa 100644
--- a/contingency/pom.xml
+++ b/contingency/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <packaging>pom</packaging>
diff --git a/distribution-core/pom.xml b/distribution-core/pom.xml
index e82776b22b8..23f056aee8c 100644
--- a/distribution-core/pom.xml
+++ b/distribution-core/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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         <artifactId>powsybl-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <packaging>pom</packaging>
diff --git a/dsl/pom.xml b/dsl/pom.xml
index dfbce87fe01..387f6bac661 100644
--- a/dsl/pom.xml
+++ b/dsl/pom.xml
@@ -5,7 +5,7 @@
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         <groupId>com.powsybl</groupId>
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+        <version>2.6.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/entsoe-util/pom.xml b/entsoe-util/pom.xml
index 48c054550e3..3ccbafaf5ab 100644
--- a/entsoe-util/pom.xml
+++ b/entsoe-util/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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         <artifactId>powsybl-core</artifactId>
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     </parent>
 
     <artifactId>powsybl-entsoe-util</artifactId>
diff --git a/iidm/iidm-api/pom.xml b/iidm/iidm-api/pom.xml
index 2e2505cfce3..c88efdc45d9 100644
--- a/iidm/iidm-api/pom.xml
+++ b/iidm/iidm-api/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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     </parent>
 
     <artifactId>powsybl-iidm-api</artifactId>
diff --git a/iidm/iidm-converter-api/pom.xml b/iidm/iidm-converter-api/pom.xml
index 724381d7ebb..11c2a2e2d24 100644
--- a/iidm/iidm-converter-api/pom.xml
+++ b/iidm/iidm-converter-api/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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     </parent>
 
     <artifactId>powsybl-iidm-converter-api</artifactId>
diff --git a/iidm/iidm-extensions/pom.xml b/iidm/iidm-extensions/pom.xml
index 053f3f24a66..f4dc1f6150b 100644
--- a/iidm/iidm-extensions/pom.xml
+++ b/iidm/iidm-extensions/pom.xml
@@ -15,7 +15,7 @@
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         <groupId>com.powsybl</groupId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-iidm-extensions</artifactId>
diff --git a/iidm/iidm-impl/pom.xml b/iidm/iidm-impl/pom.xml
index c444f60a63a..0f5e83d7c7e 100644
--- a/iidm/iidm-impl/pom.xml
+++ b/iidm/iidm-impl/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-iidm</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-iidm-impl</artifactId>
diff --git a/iidm/iidm-reducer/pom.xml b/iidm/iidm-reducer/pom.xml
index 98892801c10..19435f955dc 100644
--- a/iidm/iidm-reducer/pom.xml
+++ b/iidm/iidm-reducer/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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-        <version>3.0.0-SNAPSHOT</version>
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     </parent>
 
     <artifactId>powsybl-iidm-reducer</artifactId>
diff --git a/iidm/iidm-test/pom.xml b/iidm/iidm-test/pom.xml
index 45b45f7de32..228919bede0 100644
--- a/iidm/iidm-test/pom.xml
+++ b/iidm/iidm-test/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-iidm-test</artifactId>
diff --git a/iidm/iidm-util/pom.xml b/iidm/iidm-util/pom.xml
index 893e4ebe2a4..a86ffb7db20 100644
--- a/iidm/iidm-util/pom.xml
+++ b/iidm/iidm-util/pom.xml
@@ -16,7 +16,7 @@
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-        <version>3.0.0-SNAPSHOT</version>
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     </parent>
 
     <artifactId>powsybl-iidm-util</artifactId>
diff --git a/iidm/iidm-xml-converter/pom.xml b/iidm/iidm-xml-converter/pom.xml
index bbbcdb9cd46..0b50319679d 100644
--- a/iidm/iidm-xml-converter/pom.xml
+++ b/iidm/iidm-xml-converter/pom.xml
@@ -15,7 +15,7 @@
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     <artifactId>powsybl-iidm-xml-converter</artifactId>
diff --git a/iidm/pom.xml b/iidm/pom.xml
index 43ec8965c18..98a90e1c42b 100644
--- a/iidm/pom.xml
+++ b/iidm/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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         <artifactId>powsybl-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <packaging>pom</packaging>
diff --git a/itools-packager/pom.xml b/itools-packager/pom.xml
index f541401ecfe..c53ba6cc702 100644
--- a/itools-packager/pom.xml
+++ b/itools-packager/pom.xml
@@ -14,7 +14,7 @@
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         <artifactId>powsybl-core</artifactId>
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     </parent>
 
     <artifactId>powsybl-itools-packager-maven-plugin</artifactId>
diff --git a/loadflow/loadflow-api/pom.xml b/loadflow/loadflow-api/pom.xml
index 7e80c70f84d..2fe61400bd2 100644
--- a/loadflow/loadflow-api/pom.xml
+++ b/loadflow/loadflow-api/pom.xml
@@ -15,7 +15,7 @@
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     </parent>
 
     <artifactId>powsybl-loadflow-api</artifactId>
diff --git a/loadflow/loadflow-results-completion/pom.xml b/loadflow/loadflow-results-completion/pom.xml
index 820075fd49a..f30ca68eaf8 100644
--- a/loadflow/loadflow-results-completion/pom.xml
+++ b/loadflow/loadflow-results-completion/pom.xml
@@ -15,7 +15,7 @@
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     </parent>
 
     <artifactId>powsybl-loadflow-results-completion</artifactId>
diff --git a/loadflow/loadflow-validation/pom.xml b/loadflow/loadflow-validation/pom.xml
index e7dcc0e8bf9..c9d3d1199eb 100644
--- a/loadflow/loadflow-validation/pom.xml
+++ b/loadflow/loadflow-validation/pom.xml
@@ -15,7 +15,7 @@
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     <artifactId>powsybl-loadflow-validation</artifactId>
diff --git a/loadflow/pom.xml b/loadflow/pom.xml
index 605b5151e35..506c974cc08 100644
--- a/loadflow/pom.xml
+++ b/loadflow/pom.xml
@@ -15,7 +15,7 @@
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     </parent>
 
     <packaging>pom</packaging>
diff --git a/math/pom.xml b/math/pom.xml
index d0b42eba901..7ea923df617 100644
--- a/math/pom.xml
+++ b/math/pom.xml
@@ -15,7 +15,7 @@
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         <artifactId>powsybl-core</artifactId>
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     <artifactId>powsybl-math</artifactId>
diff --git a/pom.xml b/pom.xml
index 1f3c57fa4c8..4a4ea35537d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
 
     <groupId>com.powsybl</groupId>
     <artifactId>powsybl-core</artifactId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>2.6.0</version>
     <packaging>pom</packaging>
 
     <name>powsybl</name>
diff --git a/scripting/pom.xml b/scripting/pom.xml
index d1c35fe6391..6c092d520ff 100644
--- a/scripting/pom.xml
+++ b/scripting/pom.xml
@@ -15,7 +15,7 @@
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     <artifactId>powsybl-scripting</artifactId>
diff --git a/security-analysis/pom.xml b/security-analysis/pom.xml
index ec058b5c3bd..a81cde30b19 100644
--- a/security-analysis/pom.xml
+++ b/security-analysis/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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+        <version>2.6.0</version>
     </parent>
 
     <packaging>pom</packaging>
diff --git a/security-analysis/security-analysis-afs-local/pom.xml b/security-analysis/security-analysis-afs-local/pom.xml
index fb62562ec3c..ec3ab0d978a 100644
--- a/security-analysis/security-analysis-afs-local/pom.xml
+++ b/security-analysis/security-analysis-afs-local/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-security-analysis</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-security-analysis-afs-local</artifactId>
diff --git a/security-analysis/security-analysis-afs/pom.xml b/security-analysis/security-analysis-afs/pom.xml
index 4c9dc5d4942..0cb46b92eb6 100644
--- a/security-analysis/security-analysis-afs/pom.xml
+++ b/security-analysis/security-analysis-afs/pom.xml
@@ -15,7 +15,7 @@
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+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-security-analysis-afs</artifactId>
diff --git a/security-analysis/security-analysis-api/pom.xml b/security-analysis/security-analysis-api/pom.xml
index 7acf226e255..3e1760e1dd7 100644
--- a/security-analysis/security-analysis-api/pom.xml
+++ b/security-analysis/security-analysis-api/pom.xml
@@ -15,7 +15,7 @@
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+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-security-analysis-api</artifactId>
diff --git a/sensitivity-api/pom.xml b/sensitivity-api/pom.xml
index 86decf0cea5..4543fc2452d 100644
--- a/sensitivity-api/pom.xml
+++ b/sensitivity-api/pom.xml
@@ -15,7 +15,7 @@
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     <artifactId>powsybl-sensitivity-api</artifactId>
diff --git a/simulation-api/pom.xml b/simulation-api/pom.xml
index e5921fc5a07..5a3e275dc47 100644
--- a/simulation-api/pom.xml
+++ b/simulation-api/pom.xml
@@ -15,7 +15,7 @@
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+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-simulation-api</artifactId>
diff --git a/time-series/pom.xml b/time-series/pom.xml
index fdbb8dbab10..57360542228 100644
--- a/time-series/pom.xml
+++ b/time-series/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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         <groupId>com.powsybl</groupId>
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+        <version>2.6.0</version>
     </parent>
 
     <packaging>pom</packaging>
diff --git a/time-series/time-series-api/pom.xml b/time-series/time-series-api/pom.xml
index 32accfeb2c7..60d3f795674 100644
--- a/time-series/time-series-api/pom.xml
+++ b/time-series/time-series-api/pom.xml
@@ -15,7 +15,7 @@
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+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-time-series-api</artifactId>
diff --git a/tools/pom.xml b/tools/pom.xml
index ccd9b02be28..56e3dda22ec 100644
--- a/tools/pom.xml
+++ b/tools/pom.xml
@@ -15,7 +15,7 @@
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+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-tools</artifactId>
diff --git a/triple-store/pom.xml b/triple-store/pom.xml
index 4c951133247..b470322169c 100644
--- a/triple-store/pom.xml
+++ b/triple-store/pom.xml
@@ -15,7 +15,7 @@
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+        <version>2.6.0</version>
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     <packaging>pom</packaging>
diff --git a/triple-store/triple-store-api/pom.xml b/triple-store/triple-store-api/pom.xml
index 9a4278f8ff0..a7682631620 100644
--- a/triple-store/triple-store-api/pom.xml
+++ b/triple-store/triple-store-api/pom.xml
@@ -15,7 +15,7 @@
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     </parent>
 
     <artifactId>powsybl-triple-store-api</artifactId>
diff --git a/triple-store/triple-store-impl-blazegraph/pom.xml b/triple-store/triple-store-impl-blazegraph/pom.xml
index aae5205e7aa..15f7e9cef4b 100644
--- a/triple-store/triple-store-impl-blazegraph/pom.xml
+++ b/triple-store/triple-store-impl-blazegraph/pom.xml
@@ -15,7 +15,7 @@
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+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-triple-store-impl-blazegraph</artifactId>
diff --git a/triple-store/triple-store-impl-jena/pom.xml b/triple-store/triple-store-impl-jena/pom.xml
index a07a2718a66..01636d29182 100644
--- a/triple-store/triple-store-impl-jena/pom.xml
+++ b/triple-store/triple-store-impl-jena/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-triple-store-impl-jena</artifactId>
diff --git a/triple-store/triple-store-impl-rdf4j/pom.xml b/triple-store/triple-store-impl-rdf4j/pom.xml
index e8a53ea4c5c..e9bc5621c90 100644
--- a/triple-store/triple-store-impl-rdf4j/pom.xml
+++ b/triple-store/triple-store-impl-rdf4j/pom.xml
@@ -11,7 +11,7 @@
     <parent>
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+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-triple-store-impl-rdf4j</artifactId>
diff --git a/triple-store/triple-store-test/pom.xml b/triple-store/triple-store-test/pom.xml
index 6a16c4b5671..cce38b56841 100644
--- a/triple-store/triple-store-test/pom.xml
+++ b/triple-store/triple-store-test/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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         <artifactId>powsybl-triple-store</artifactId>
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+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-triple-store-test</artifactId>
diff --git a/ucte/pom.xml b/ucte/pom.xml
index 6f3a9a4ff22..a02ced1239d 100644
--- a/ucte/pom.xml
+++ b/ucte/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-core</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <packaging>pom</packaging>
diff --git a/ucte/ucte-converter/pom.xml b/ucte/ucte-converter/pom.xml
index e236c84f0f3..fb651c50b98 100644
--- a/ucte/ucte-converter/pom.xml
+++ b/ucte/ucte-converter/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-ucte</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-ucte-converter</artifactId>
diff --git a/ucte/ucte-network/pom.xml b/ucte/ucte-network/pom.xml
index a433fb2a20f..0a0efe43c13 100644
--- a/ucte/ucte-network/pom.xml
+++ b/ucte/ucte-network/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-ucte</artifactId>
-        <version>3.0.0-SNAPSHOT</version>
+        <version>2.6.0</version>
     </parent>
 
     <artifactId>powsybl-ucte-network</artifactId>