diff --git a/action/action-dsl-spi/pom.xml b/action/action-dsl-spi/pom.xml
index cde3334b4e9..ced99838c0d 100644
--- a/action/action-dsl-spi/pom.xml
+++ b/action/action-dsl-spi/pom.xml
@@ -15,7 +15,7 @@
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         <artifactId>powsybl-action</artifactId>
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     </parent>
 
     <artifactId>powsybl-action-dsl-spi</artifactId>
diff --git a/action/action-dsl/pom.xml b/action/action-dsl/pom.xml
index a1dd956fce7..31078c3f40f 100644
--- a/action/action-dsl/pom.xml
+++ b/action/action-dsl/pom.xml
@@ -15,7 +15,7 @@
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     <artifactId>powsybl-action-dsl</artifactId>
diff --git a/action/action-simulator/pom.xml b/action/action-simulator/pom.xml
index 3438472829d..90dcf3b7ac8 100644
--- a/action/action-simulator/pom.xml
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diff --git a/action/action-util/pom.xml b/action/action-util/pom.xml
index 6e58b9e3b5e..dcb73019b2c 100644
--- a/action/action-util/pom.xml
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diff --git a/action/pom.xml b/action/pom.xml
index 64ffbbaa8fb..d1f6f0459f3 100644
--- a/action/pom.xml
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@@ -15,7 +15,7 @@
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     <packaging>pom</packaging>
diff --git a/ampl-converter/pom.xml b/ampl-converter/pom.xml
index e7180b11005..4a735fadd39 100644
--- a/ampl-converter/pom.xml
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diff --git a/bom/pom.xml b/bom/pom.xml
index 72c40156c42..c116ded7b0f 100644
--- a/bom/pom.xml
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@@ -14,7 +14,7 @@
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diff --git a/cgmes/cgmes-conformity/pom.xml b/cgmes/cgmes-conformity/pom.xml
index c78036d96a6..e1d0c6b7e0f 100644
--- a/cgmes/cgmes-conformity/pom.xml
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diff --git a/cgmes/cgmes-conversion/pom.xml b/cgmes/cgmes-conversion/pom.xml
index a4a6c69603d..7a3901df6e5 100644
--- a/cgmes/cgmes-conversion/pom.xml
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diff --git a/cgmes/cgmes-model-alternatives/pom.xml b/cgmes/cgmes-model-alternatives/pom.xml
index 6d9de0cfb03..40f2f9666dc 100644
--- a/cgmes/cgmes-model-alternatives/pom.xml
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@@ -15,7 +15,7 @@
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diff --git a/cgmes/cgmes-model/pom.xml b/cgmes/cgmes-model/pom.xml
index 54b78e05803..9329c5fb0db 100644
--- a/cgmes/cgmes-model/pom.xml
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diff --git a/cgmes/pom.xml b/cgmes/pom.xml
index be7c0c31f3e..fc25f02128e 100644
--- a/cgmes/pom.xml
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diff --git a/cim-anonymiser/pom.xml b/cim-anonymiser/pom.xml
index ffcb6289d37..fb8914d1d16 100644
--- a/cim-anonymiser/pom.xml
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diff --git a/commons/pom.xml b/commons/pom.xml
index 72d178ce693..0d843e86dc5 100644
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diff --git a/computation-local/pom.xml b/computation-local/pom.xml
index d527916313b..0a1c5ede628 100644
--- a/computation-local/pom.xml
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     <artifactId>powsybl-computation-local</artifactId>
diff --git a/computation/pom.xml b/computation/pom.xml
index c0ea2f599f5..83bb0503a13 100644
--- a/computation/pom.xml
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diff --git a/config-classic/pom.xml b/config-classic/pom.xml
index 852f66c47a7..cfb6520a366 100644
--- a/config-classic/pom.xml
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diff --git a/config-test/pom.xml b/config-test/pom.xml
index b2488dc8db3..73681e26bf2 100644
--- a/config-test/pom.xml
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diff --git a/contingency/contingency-api/pom.xml b/contingency/contingency-api/pom.xml
index 7d72859d678..b4e33470baa 100644
--- a/contingency/contingency-api/pom.xml
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diff --git a/contingency/contingency-dsl/pom.xml b/contingency/contingency-dsl/pom.xml
index e612db98b75..00e520a9d4f 100644
--- a/contingency/contingency-dsl/pom.xml
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diff --git a/contingency/pom.xml b/contingency/pom.xml
index 049aef8f24d..2d7fe8c2cbd 100644
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diff --git a/distribution-core/pom.xml b/distribution-core/pom.xml
index 359b36059fa..318d4f9f1f6 100644
--- a/distribution-core/pom.xml
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diff --git a/dsl/pom.xml b/dsl/pom.xml
index b7945fb4561..c7fec900957 100644
--- a/dsl/pom.xml
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@@ -13,7 +13,7 @@
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     <modelVersion>4.0.0</modelVersion>
 
diff --git a/dynamic-simulation/dynamic-simulation-api/pom.xml b/dynamic-simulation/dynamic-simulation-api/pom.xml
index 6a3fc6adc91..e6d7f65c732 100644
--- a/dynamic-simulation/dynamic-simulation-api/pom.xml
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diff --git a/dynamic-simulation/dynamic-simulation-dsl/pom.xml b/dynamic-simulation/dynamic-simulation-dsl/pom.xml
index b1b85692430..052611c592c 100644
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diff --git a/dynamic-simulation/dynamic-simulation-tool/pom.xml b/dynamic-simulation/dynamic-simulation-tool/pom.xml
index 3c7b240e978..c56d6c20d65 100644
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diff --git a/dynamic-simulation/pom.xml b/dynamic-simulation/pom.xml
index dbd82acf903..7e844e06c76 100644
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diff --git a/entsoe-util/pom.xml b/entsoe-util/pom.xml
index dc04cf0ff40..6217bab9a51 100644
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diff --git a/ieee-cdf/ieee-cdf-converter/pom.xml b/ieee-cdf/ieee-cdf-converter/pom.xml
index 398a3e26551..f08345f9987 100644
--- a/ieee-cdf/ieee-cdf-converter/pom.xml
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diff --git a/ieee-cdf/ieee-cdf-model/pom.xml b/ieee-cdf/ieee-cdf-model/pom.xml
index 0051f51a69a..f17a9b2b028 100644
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diff --git a/ieee-cdf/pom.xml b/ieee-cdf/pom.xml
index 4f8edf98be5..ac5598c6ff7 100644
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diff --git a/iidm/iidm-api/pom.xml b/iidm/iidm-api/pom.xml
index d6a576125e6..04733f4391c 100644
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diff --git a/iidm/iidm-comparator/pom.xml b/iidm/iidm-comparator/pom.xml
index c13d843f7dc..248b1ecfef3 100644
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diff --git a/iidm/iidm-converter-api/pom.xml b/iidm/iidm-converter-api/pom.xml
index c8b9b276640..020ddf54357 100644
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diff --git a/iidm/iidm-extensions/pom.xml b/iidm/iidm-extensions/pom.xml
index 3da1748f60a..365cc8182d2 100644
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diff --git a/iidm/iidm-impl/pom.xml b/iidm/iidm-impl/pom.xml
index 021312e6e86..e71dfd1f898 100644
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diff --git a/iidm/iidm-mergingview/pom.xml b/iidm/iidm-mergingview/pom.xml
index bde482dccdf..0a936e276b5 100644
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diff --git a/iidm/iidm-reducer/pom.xml b/iidm/iidm-reducer/pom.xml
index c6ff39d6413..00b7b719497 100644
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diff --git a/iidm/iidm-scripting/pom.xml b/iidm/iidm-scripting/pom.xml
index 4aec5925978..99f8798a593 100644
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diff --git a/iidm/iidm-tck/pom.xml b/iidm/iidm-tck/pom.xml
index b56baf1eec0..3669b085eab 100644
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diff --git a/iidm/iidm-test/pom.xml b/iidm/iidm-test/pom.xml
index 52c1377f5db..00bb52344b0 100644
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+        <version>4.0.0-RC1</version>
     </parent>
 
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diff --git a/iidm/iidm-xml-converter/pom.xml b/iidm/iidm-xml-converter/pom.xml
index 90c5042edac..39d1bc37c0e 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</artifactId>
-        <version>3.9.0-SNAPSHOT</version>
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diff --git a/iidm/pom.xml b/iidm/pom.xml
index 5aa31541e5c..318d0dc8813 100644
--- a/iidm/pom.xml
+++ b/iidm/pom.xml
@@ -15,7 +15,7 @@
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     </parent>
 
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diff --git a/itools-packager/pom.xml b/itools-packager/pom.xml
index c692f9f2f6f..ef6bf3462cc 100644
--- a/itools-packager/pom.xml
+++ b/itools-packager/pom.xml
@@ -14,7 +14,7 @@
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diff --git a/loadflow/loadflow-api/pom.xml b/loadflow/loadflow-api/pom.xml
index 46e4ad414cc..229bcd63b9c 100644
--- a/loadflow/loadflow-api/pom.xml
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@@ -15,7 +15,7 @@
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diff --git a/loadflow/loadflow-results-completion/pom.xml b/loadflow/loadflow-results-completion/pom.xml
index 92765554f18..1eb2b05dae8 100644
--- a/loadflow/loadflow-results-completion/pom.xml
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@@ -15,7 +15,7 @@
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diff --git a/loadflow/loadflow-scripting/pom.xml b/loadflow/loadflow-scripting/pom.xml
index b8f18a8ad62..1d5bc1a8a02 100644
--- a/loadflow/loadflow-scripting/pom.xml
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@@ -15,7 +15,7 @@
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diff --git a/loadflow/loadflow-validation/pom.xml b/loadflow/loadflow-validation/pom.xml
index e3241a80c73..fa35509925d 100644
--- a/loadflow/loadflow-validation/pom.xml
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index a9947a9bd20..751d1c2ebe0 100644
--- a/loadflow/pom.xml
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diff --git a/math/pom.xml b/math/pom.xml
index 2705a769edd..caa74508b79 100644
--- a/math/pom.xml
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diff --git a/matpower/matpower-converter/pom.xml b/matpower/matpower-converter/pom.xml
index 48651d5d775..45a7c41e179 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 6d8df2950ac..1644bb2760f 100644
--- a/matpower/matpower-model/pom.xml
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diff --git a/matpower/pom.xml b/matpower/pom.xml
index 1fb59103ecb..41f51e22f58 100644
--- a/matpower/pom.xml
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@@ -13,7 +13,7 @@
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diff --git a/pom.xml b/pom.xml
index 6d0e63ca96c..bd6d197ef92 100644
--- a/pom.xml
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@@ -20,7 +20,7 @@
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+    <version>4.0.0-RC1</version>
     <packaging>pom</packaging>
 
     <name>powsybl</name>
diff --git a/psse/pom.xml b/psse/pom.xml
index 131dbbbbf31..fe8e3033157 100644
--- a/psse/pom.xml
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diff --git a/psse/psse-converter/pom.xml b/psse/psse-converter/pom.xml
index ff17148ed57..5a77919a968 100644
--- a/psse/psse-converter/pom.xml
+++ b/psse/psse-converter/pom.xml
@@ -11,7 +11,7 @@
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+        <version>4.0.0-RC1</version>
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     <modelVersion>4.0.0</modelVersion>
 
diff --git a/psse/psse-model/pom.xml b/psse/psse-model/pom.xml
index 9329f7f61c5..5db30089463 100644
--- a/psse/psse-model/pom.xml
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     <artifactId>powsybl-psse-model</artifactId>
diff --git a/scripting/pom.xml b/scripting/pom.xml
index 2e08997ca8b..7decb255196 100644
--- a/scripting/pom.xml
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     <artifactId>powsybl-scripting</artifactId>
diff --git a/security-analysis-api/pom.xml b/security-analysis-api/pom.xml
index 1e025a2686b..a872034c09b 100644
--- a/security-analysis-api/pom.xml
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diff --git a/sensitivity-analysis-api/pom.xml b/sensitivity-analysis-api/pom.xml
index d8183ed3a33..225aa97b1da 100644
--- a/sensitivity-analysis-api/pom.xml
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diff --git a/simulation-api/pom.xml b/simulation-api/pom.xml
index f1608e5fc9f..aecfec4038e 100644
--- a/simulation-api/pom.xml
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     <artifactId>powsybl-simulation-api</artifactId>
diff --git a/time-series/pom.xml b/time-series/pom.xml
index e1a4ff4c68e..732b505fda7 100644
--- a/time-series/pom.xml
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@@ -15,7 +15,7 @@
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diff --git a/time-series/time-series-api/pom.xml b/time-series/time-series-api/pom.xml
index a0010211834..cee58aaa263 100644
--- a/time-series/time-series-api/pom.xml
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@@ -15,7 +15,7 @@
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diff --git a/tools/pom.xml b/tools/pom.xml
index a3665f521a6..29953ef06d3 100644
--- a/tools/pom.xml
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@@ -15,7 +15,7 @@
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     <artifactId>powsybl-tools</artifactId>
diff --git a/triple-store/pom.xml b/triple-store/pom.xml
index 9efe6d35ada..caf6c972385 100644
--- a/triple-store/pom.xml
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diff --git a/triple-store/triple-store-api/pom.xml b/triple-store/triple-store-api/pom.xml
index 561c39778e6..cef8e7c8d09 100644
--- a/triple-store/triple-store-api/pom.xml
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     <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 0379b54eeec..e6fd83d970e 100644
--- a/triple-store/triple-store-impl-blazegraph/pom.xml
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     <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 89a35e555d0..35293b258f3 100644
--- a/triple-store/triple-store-impl-jena/pom.xml
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     <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 4a4cd9d642b..6855179ec1a 100644
--- a/triple-store/triple-store-impl-rdf4j/pom.xml
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@@ -11,7 +11,7 @@
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+        <version>4.0.0-RC1</version>
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     <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 5b09b9f6f34..76d48491a1f 100644
--- a/triple-store/triple-store-test/pom.xml
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diff --git a/ucte/pom.xml b/ucte/pom.xml
index f5ee44e8a7e..0dddb04169c 100644
--- a/ucte/pom.xml
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diff --git a/ucte/ucte-converter/pom.xml b/ucte/ucte-converter/pom.xml
index f0d1c0d440a..83ab040f4c5 100644
--- a/ucte/ucte-converter/pom.xml
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         <artifactId>powsybl-ucte</artifactId>
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+        <version>4.0.0-RC1</version>
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diff --git a/ucte/ucte-network/pom.xml b/ucte/ucte-network/pom.xml
index 15a18452b7d..73fb85a862c 100644
--- a/ucte/ucte-network/pom.xml
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@@ -15,7 +15,7 @@
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         <artifactId>powsybl-ucte</artifactId>
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+        <version>4.0.0-RC1</version>
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     <artifactId>powsybl-ucte-network</artifactId>
diff --git a/ucte/ucte-util/pom.xml b/ucte/ucte-util/pom.xml
index 38ece5c6cd3..b7a5cfdcb23 100644
--- a/ucte/ucte-util/pom.xml
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     </parent>
 
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