diff --git a/action-api/pom.xml b/action-api/pom.xml
index b6e9943cd59..1c0426531ff 100644
--- a/action-api/pom.xml
+++ b/action-api/pom.xml
@@ -15,7 +15,7 @@
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diff --git a/action-ial/action-ial-dsl-spi/pom.xml b/action-ial/action-ial-dsl-spi/pom.xml
index 008ca7c2dd4..cac4122ef5c 100644
--- a/action-ial/action-ial-dsl-spi/pom.xml
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diff --git a/action-ial/action-ial-dsl/pom.xml b/action-ial/action-ial-dsl/pom.xml
index 7c9e6a7a596..e3177b05e52 100644
--- a/action-ial/action-ial-dsl/pom.xml
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diff --git a/action-ial/action-ial-simulator/pom.xml b/action-ial/action-ial-simulator/pom.xml
index 3e738cffd10..ff5af699fa5 100644
--- a/action-ial/action-ial-simulator/pom.xml
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diff --git a/action-ial/action-ial-util/pom.xml b/action-ial/action-ial-util/pom.xml
index 947a22b1ebf..1f496842fe7 100644
--- a/action-ial/action-ial-util/pom.xml
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diff --git a/action-ial/pom.xml b/action-ial/pom.xml
index f954971de19..0329bcaff63 100644
--- a/action-ial/pom.xml
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diff --git a/ampl-converter/pom.xml b/ampl-converter/pom.xml
index 56308ea579f..c4d66573145 100644
--- a/ampl-converter/pom.xml
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diff --git a/ampl-executor/pom.xml b/ampl-executor/pom.xml
index 9cd8ca7b7cf..fe2f62c3abe 100644
--- a/ampl-executor/pom.xml
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diff --git a/cgmes/cgmes-completion/pom.xml b/cgmes/cgmes-completion/pom.xml
index d454feb62e5..011fb861b8e 100644
--- a/cgmes/cgmes-completion/pom.xml
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diff --git a/cgmes/cgmes-conformity/pom.xml b/cgmes/cgmes-conformity/pom.xml
index 9abec81cb31..90a29b56fbc 100644
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diff --git a/cgmes/cgmes-conversion/pom.xml b/cgmes/cgmes-conversion/pom.xml
index 15a2ed0db10..d40391ee8d7 100644
--- a/cgmes/cgmes-conversion/pom.xml
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diff --git a/cgmes/cgmes-extensions/pom.xml b/cgmes/cgmes-extensions/pom.xml
index 5d6f680f1bf..3eb7290e3b8 100644
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diff --git a/cgmes/cgmes-gl/pom.xml b/cgmes/cgmes-gl/pom.xml
index 5fe00cfda8f..ce8c8bf9877 100644
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diff --git a/cgmes/cgmes-measurements/pom.xml b/cgmes/cgmes-measurements/pom.xml
index 84a9cb577fc..5b7275292ba 100644
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diff --git a/cgmes/cgmes-model-alternatives/pom.xml b/cgmes/cgmes-model-alternatives/pom.xml
index f5373bfd2ae..fa8b674e24d 100644
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diff --git a/cgmes/cgmes-model-test/pom.xml b/cgmes/cgmes-model-test/pom.xml
index 4bdbf8128ac..3bdd0c7c5e7 100644
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diff --git a/cgmes/cgmes-model/pom.xml b/cgmes/cgmes-model/pom.xml
index 2bdd54d0d0e..134cc0d5c66 100644
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diff --git a/cgmes/cgmes-shortcircuit/pom.xml b/cgmes/cgmes-shortcircuit/pom.xml
index 7eace62c58c..777fc4b691d 100644
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diff --git a/cgmes/pom.xml b/cgmes/pom.xml
index 26d7858f3bf..1caaf3d9c27 100644
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diff --git a/cim-anonymiser/pom.xml b/cim-anonymiser/pom.xml
index ad875a04f65..f8863833832 100644
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diff --git a/commons-test/pom.xml b/commons-test/pom.xml
index 61d4810e24f..72c77057407 100644
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diff --git a/commons/pom.xml b/commons/pom.xml
index dad4f3f5238..f1e3433c500 100644
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diff --git a/computation-local-test/pom.xml b/computation-local-test/pom.xml
index cc04490e14b..93dacc3c765 100644
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diff --git a/computation-local/pom.xml b/computation-local/pom.xml
index 47049760787..45baba96c3a 100644
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diff --git a/computation/pom.xml b/computation/pom.xml
index 972b91e1c46..f5ff0059ca5 100644
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diff --git a/config-classic/pom.xml b/config-classic/pom.xml
index b2fdd6109c2..8866c09df09 100644
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diff --git a/config-test/pom.xml b/config-test/pom.xml
index 7a138655b74..454330edbd8 100644
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diff --git a/contingency/contingency-api/pom.xml b/contingency/contingency-api/pom.xml
index 866911ea326..80384b629ab 100644
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diff --git a/contingency/contingency-dsl/pom.xml b/contingency/contingency-dsl/pom.xml
index 04f85deb9f4..2a19c476a41 100644
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diff --git a/contingency/pom.xml b/contingency/pom.xml
index 1a94fa0786b..36cd53d21fb 100644
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diff --git a/distribution-core/pom.xml b/distribution-core/pom.xml
index 84136d63d8b..a69bf7eac5f 100644
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diff --git a/dsl/pom.xml b/dsl/pom.xml
index 219175f45cd..574327e0649 100644
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diff --git a/dynamic-security-analysis/pom.xml b/dynamic-security-analysis/pom.xml
index 642a5c85ed3..aa7ff6c76e4 100644
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diff --git a/dynamic-simulation/dynamic-simulation-api/pom.xml b/dynamic-simulation/dynamic-simulation-api/pom.xml
index 27c89eeaa36..3002e490708 100644
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diff --git a/dynamic-simulation/dynamic-simulation-dsl/pom.xml b/dynamic-simulation/dynamic-simulation-dsl/pom.xml
index e236df655a1..691ab834404 100644
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diff --git a/dynamic-simulation/dynamic-simulation-tool/pom.xml b/dynamic-simulation/dynamic-simulation-tool/pom.xml
index 532fe8fc87d..dd058b77c4f 100644
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diff --git a/dynamic-simulation/pom.xml b/dynamic-simulation/pom.xml
index 09505db727a..8c664882f54 100644
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diff --git a/entsoe-util/pom.xml b/entsoe-util/pom.xml
index 96f8bda494b..903f1f659ea 100644
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index 32191036aa8..9ef09a841a1 100644
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index d268ccd0828..a5167e0cb1e 100644
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index 2b82e51e47a..6063fb78ac6 100644
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diff --git a/iidm/iidm-api/pom.xml b/iidm/iidm-api/pom.xml
index 9a77ec20b59..956230f2ee7 100644
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+++ b/iidm/iidm-api/pom.xml
@@ -15,7 +15,7 @@
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         <artifactId>powsybl-iidm</artifactId>
-        <version>6.5.0-RC1</version>
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diff --git a/iidm/iidm-comparator/pom.xml b/iidm/iidm-comparator/pom.xml
index ad7ca2862f6..7047cc4cfb0 100644
--- a/iidm/iidm-comparator/pom.xml
+++ b/iidm/iidm-comparator/pom.xml
@@ -15,7 +15,7 @@
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diff --git a/iidm/iidm-criteria/pom.xml b/iidm/iidm-criteria/pom.xml
index a00745f7f0d..226de290284 100644
--- a/iidm/iidm-criteria/pom.xml
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@@ -16,7 +16,7 @@
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diff --git a/iidm/iidm-extensions/pom.xml b/iidm/iidm-extensions/pom.xml
index ed5136f308d..05f81fd3cb3 100644
--- a/iidm/iidm-extensions/pom.xml
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@@ -15,7 +15,7 @@
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diff --git a/iidm/iidm-geodata/pom.xml b/iidm/iidm-geodata/pom.xml
index 6c9bd3f5dbc..e4c157b4c17 100644
--- a/iidm/iidm-geodata/pom.xml
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@@ -14,7 +14,7 @@
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index 64cec76e556..b94c47af2dd 100644
--- a/iidm/iidm-impl/pom.xml
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index cd8bbffcd6d..c60a37058c8 100644
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diff --git a/iidm/iidm-reducer/pom.xml b/iidm/iidm-reducer/pom.xml
index a8900175ffc..696005eefbf 100644
--- a/iidm/iidm-reducer/pom.xml
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diff --git a/iidm/iidm-scripting/pom.xml b/iidm/iidm-scripting/pom.xml
index 9e967e561bc..9c289b92416 100644
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diff --git a/iidm/iidm-serde/pom.xml b/iidm/iidm-serde/pom.xml
index 6a1e51a083f..ab6e318b718 100644
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diff --git a/iidm/iidm-tck/pom.xml b/iidm/iidm-tck/pom.xml
index 1160a961277..f5362bae8a7 100644
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diff --git a/iidm/iidm-test/pom.xml b/iidm/iidm-test/pom.xml
index 1c357c1e5c5..e5210f608ae 100644
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diff --git a/iidm/pom.xml b/iidm/pom.xml
index 2b0686a75e6..b9e91d11865 100644
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diff --git a/itools-packager/pom.xml b/itools-packager/pom.xml
index 6a4ea193eb5..f003cbe19db 100644
--- a/itools-packager/pom.xml
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diff --git a/loadflow/loadflow-api/pom.xml b/loadflow/loadflow-api/pom.xml
index 148b9763320..84067c57923 100644
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index 4b20d8a4fce..ca3fa74cab5 100644
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diff --git a/loadflow/loadflow-scripting/pom.xml b/loadflow/loadflow-scripting/pom.xml
index 1c4b3be16a9..b2daf9c30b5 100644
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diff --git a/loadflow/loadflow-validation/pom.xml b/loadflow/loadflow-validation/pom.xml
index 3326369e764..56518936b72 100644
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index 321ab1abfc2..541599c657b 100644
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diff --git a/math/pom.xml b/math/pom.xml
index 3318e88684e..910b671e75a 100644
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diff --git a/matpower/matpower-converter/pom.xml b/matpower/matpower-converter/pom.xml
index f9682363e96..7e9d1d1c152 100644
--- a/matpower/matpower-converter/pom.xml
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diff --git a/matpower/matpower-model/pom.xml b/matpower/matpower-model/pom.xml
index f1348f44fd5..028318038d9 100644
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index 2ff9b06d136..e7b915e04a0 100644
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diff --git a/pom.xml b/pom.xml
index eaad11ab8e7..fa348543fdb 100644
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     <name>powsybl</name>
diff --git a/powerfactory/pom.xml b/powerfactory/pom.xml
index f544c01bc40..687a4dea97f 100644
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index c1c68df9893..9652fb61d07 100644
--- a/powerfactory/powerfactory-converter/pom.xml
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diff --git a/powerfactory/powerfactory-db/pom.xml b/powerfactory/powerfactory-db/pom.xml
index 001c56f5c33..3ca54a36fbb 100644
--- a/powerfactory/powerfactory-db/pom.xml
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diff --git a/powerfactory/powerfactory-dgs/pom.xml b/powerfactory/powerfactory-dgs/pom.xml
index 73d9bd305de..1e0e23b4cef 100644
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diff --git a/powerfactory/powerfactory-model/pom.xml b/powerfactory/powerfactory-model/pom.xml
index e8d9196b2d7..c2cb2651109 100644
--- a/powerfactory/powerfactory-model/pom.xml
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diff --git a/psse/pom.xml b/psse/pom.xml
index 598b7d70c81..806b31e276c 100644
--- a/psse/pom.xml
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diff --git a/psse/psse-converter/pom.xml b/psse/psse-converter/pom.xml
index c0a0baed6d0..00a92eaf12f 100644
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     <modelVersion>4.0.0</modelVersion>
 
diff --git a/psse/psse-model-test/pom.xml b/psse/psse-model-test/pom.xml
index 068830c16ed..5e2ecf3f4a9 100644
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diff --git a/psse/psse-model/pom.xml b/psse/psse-model/pom.xml
index 56580008485..027615c30f9 100644
--- a/psse/psse-model/pom.xml
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diff --git a/scripting-test/pom.xml b/scripting-test/pom.xml
index 69a59cc8892..6a644f928f3 100644
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diff --git a/scripting/pom.xml b/scripting/pom.xml
index 23477874be9..86f15bcccd0 100644
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diff --git a/security-analysis/pom.xml b/security-analysis/pom.xml
index 10f98087971..a99944d9892 100644
--- a/security-analysis/pom.xml
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diff --git a/security-analysis/security-analysis-api/pom.xml b/security-analysis/security-analysis-api/pom.xml
index 2d05495a9bc..bc9f154eaaf 100644
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diff --git a/security-analysis/security-analysis-default/pom.xml b/security-analysis/security-analysis-default/pom.xml
index 4cd1695e61f..2178fd13b8b 100644
--- a/security-analysis/security-analysis-default/pom.xml
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diff --git a/sensitivity-analysis-api/pom.xml b/sensitivity-analysis-api/pom.xml
index 8ec25253bc5..072d0c25309 100644
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diff --git a/shortcircuit-api/pom.xml b/shortcircuit-api/pom.xml
index da698cd7ac9..ee1bd53251c 100644
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diff --git a/time-series/pom.xml b/time-series/pom.xml
index 86d8e0500be..79757df30f9 100644
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diff --git a/time-series/time-series-api/pom.xml b/time-series/time-series-api/pom.xml
index 2178ce8f187..7311622c792 100644
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+++ b/time-series/time-series-api/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-time-series</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>6.5.0-RC1</version>
+        <version>6.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-time-series-api</artifactId>
diff --git a/time-series/time-series-dsl/pom.xml b/time-series/time-series-dsl/pom.xml
index 29eb70e96af..2907bd22ee1 100644
--- a/time-series/time-series-dsl/pom.xml
+++ b/time-series/time-series-dsl/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-time-series</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>6.5.0-RC1</version>
+        <version>6.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-time-series-dsl</artifactId>
diff --git a/tools-test/pom.xml b/tools-test/pom.xml
index 6c49c9462ea..118e0113309 100644
--- a/tools-test/pom.xml
+++ b/tools-test/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-core</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>6.5.0-RC1</version>
+        <version>6.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-tools-test</artifactId>
diff --git a/tools/pom.xml b/tools/pom.xml
index e67d3f14e24..4d5529b5cc0 100644
--- a/tools/pom.xml
+++ b/tools/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-core</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>6.5.0-RC1</version>
+        <version>6.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-tools</artifactId>
diff --git a/triple-store/pom.xml b/triple-store/pom.xml
index 3d782d6e340..692ad361a43 100644
--- a/triple-store/pom.xml
+++ b/triple-store/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-core</artifactId>
-        <version>6.5.0-RC1</version>
+        <version>6.6.0-SNAPSHOT</version>
     </parent>
 
     <packaging>pom</packaging>
diff --git a/triple-store/triple-store-api/pom.xml b/triple-store/triple-store-api/pom.xml
index c60c527878a..0b8f8af55f0 100644
--- a/triple-store/triple-store-api/pom.xml
+++ b/triple-store/triple-store-api/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-triple-store</artifactId>
-        <version>6.5.0-RC1</version>
+        <version>6.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-triple-store-api</artifactId>
diff --git a/triple-store/triple-store-impl-rdf4j/pom.xml b/triple-store/triple-store-impl-rdf4j/pom.xml
index 1b28550a65e..5518a1e6655 100644
--- a/triple-store/triple-store-impl-rdf4j/pom.xml
+++ b/triple-store/triple-store-impl-rdf4j/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-triple-store</artifactId>
-        <version>6.5.0-RC1</version>
+        <version>6.6.0-SNAPSHOT</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 6883dd88595..c55ab47305d 100644
--- a/triple-store/triple-store-test/pom.xml
+++ b/triple-store/triple-store-test/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-triple-store</artifactId>
-        <version>6.5.0-RC1</version>
+        <version>6.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-triple-store-test</artifactId>
diff --git a/ucte/pom.xml b/ucte/pom.xml
index ae58fc66838..2475ae4ed6d 100644
--- a/ucte/pom.xml
+++ b/ucte/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-core</artifactId>
-        <version>6.5.0-RC1</version>
+        <version>6.6.0-SNAPSHOT</version>
     </parent>
 
     <packaging>pom</packaging>
diff --git a/ucte/ucte-converter/pom.xml b/ucte/ucte-converter/pom.xml
index 4fa457080da..2efb6cdcacd 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>6.5.0-RC1</version>
+        <version>6.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-ucte-converter</artifactId>
diff --git a/ucte/ucte-network/pom.xml b/ucte/ucte-network/pom.xml
index f9390af79a4..36daacb7ed9 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>6.5.0-RC1</version>
+        <version>6.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-ucte-network</artifactId>
diff --git a/ucte/ucte-util/pom.xml b/ucte/ucte-util/pom.xml
index 4b0c4896158..6422b37c9cd 100644
--- a/ucte/ucte-util/pom.xml
+++ b/ucte/ucte-util/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-ucte</artifactId>
-        <version>6.5.0-RC1</version>
+        <version>6.6.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-ucte-util</artifactId>