diff --git a/action-api/pom.xml b/action-api/pom.xml
index 1c0426531ff..d07349d06af 100644
--- a/action-api/pom.xml
+++ b/action-api/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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         <artifactId>powsybl-core</artifactId>
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     <artifactId>powsybl-action-api</artifactId>
diff --git a/action-ial/action-ial-dsl-spi/pom.xml b/action-ial/action-ial-dsl-spi/pom.xml
index cac4122ef5c..84b644dbc02 100644
--- a/action-ial/action-ial-dsl-spi/pom.xml
+++ b/action-ial/action-ial-dsl-spi/pom.xml
@@ -15,7 +15,7 @@
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diff --git a/action-ial/action-ial-dsl/pom.xml b/action-ial/action-ial-dsl/pom.xml
index e3177b05e52..5989be51414 100644
--- a/action-ial/action-ial-dsl/pom.xml
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@@ -15,7 +15,7 @@
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diff --git a/action-ial/action-ial-simulator/pom.xml b/action-ial/action-ial-simulator/pom.xml
index ff5af699fa5..ae53bb2312f 100644
--- a/action-ial/action-ial-simulator/pom.xml
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@@ -15,7 +15,7 @@
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diff --git a/action-ial/action-ial-util/pom.xml b/action-ial/action-ial-util/pom.xml
index 1f496842fe7..9b1d0bba469 100644
--- a/action-ial/action-ial-util/pom.xml
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@@ -15,7 +15,7 @@
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diff --git a/action-ial/pom.xml b/action-ial/pom.xml
index 0329bcaff63..757a8c50ed1 100644
--- a/action-ial/pom.xml
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     <packaging>pom</packaging>
diff --git a/ampl-converter/pom.xml b/ampl-converter/pom.xml
index c4d66573145..43009eb9720 100644
--- a/ampl-converter/pom.xml
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diff --git a/ampl-executor/pom.xml b/ampl-executor/pom.xml
index fe2f62c3abe..267671711c1 100644
--- a/ampl-executor/pom.xml
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@@ -15,7 +15,7 @@ this
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diff --git a/cgmes/cgmes-completion/pom.xml b/cgmes/cgmes-completion/pom.xml
index 011fb861b8e..6ec9f649ea9 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 90a29b56fbc..5030bfa0d75 100644
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diff --git a/cgmes/cgmes-conversion/pom.xml b/cgmes/cgmes-conversion/pom.xml
index d40391ee8d7..0229f63d88e 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 3eb7290e3b8..1b2becfce91 100644
--- a/cgmes/cgmes-extensions/pom.xml
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diff --git a/cgmes/cgmes-gl/pom.xml b/cgmes/cgmes-gl/pom.xml
index ce8c8bf9877..5b405015756 100644
--- a/cgmes/cgmes-gl/pom.xml
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diff --git a/cgmes/cgmes-measurements/pom.xml b/cgmes/cgmes-measurements/pom.xml
index 5b7275292ba..7bb49a37f70 100644
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diff --git a/cgmes/cgmes-model-alternatives/pom.xml b/cgmes/cgmes-model-alternatives/pom.xml
index fa8b674e24d..f0ccd0d019a 100644
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diff --git a/cgmes/cgmes-model-test/pom.xml b/cgmes/cgmes-model-test/pom.xml
index 3bdd0c7c5e7..051985e409e 100644
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diff --git a/cgmes/cgmes-model/pom.xml b/cgmes/cgmes-model/pom.xml
index 134cc0d5c66..e51975cb9e3 100644
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diff --git a/cgmes/cgmes-shortcircuit/pom.xml b/cgmes/cgmes-shortcircuit/pom.xml
index 777fc4b691d..e09f9ef6ed5 100644
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diff --git a/cgmes/pom.xml b/cgmes/pom.xml
index 1caaf3d9c27..f0e78cc9982 100644
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diff --git a/cim-anonymiser/pom.xml b/cim-anonymiser/pom.xml
index f8863833832..a7a5312fa57 100644
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diff --git a/commons-test/pom.xml b/commons-test/pom.xml
index 72c77057407..e44f7c9ec66 100644
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diff --git a/commons/pom.xml b/commons/pom.xml
index f1e3433c500..0f9070716f2 100644
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diff --git a/computation-local-test/pom.xml b/computation-local-test/pom.xml
index 93dacc3c765..f26d368e0b6 100644
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diff --git a/computation-local/pom.xml b/computation-local/pom.xml
index 45baba96c3a..eb60ffff3d0 100644
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diff --git a/computation/pom.xml b/computation/pom.xml
index f5ff0059ca5..dcc51e46e6e 100644
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diff --git a/config-classic/pom.xml b/config-classic/pom.xml
index 8866c09df09..ba678b91a68 100644
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diff --git a/config-test/pom.xml b/config-test/pom.xml
index 454330edbd8..f342da49ad9 100644
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diff --git a/contingency/contingency-api/pom.xml b/contingency/contingency-api/pom.xml
index 80384b629ab..56d43192990 100644
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diff --git a/contingency/contingency-dsl/pom.xml b/contingency/contingency-dsl/pom.xml
index 2a19c476a41..dfaa27dabb8 100644
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diff --git a/contingency/pom.xml b/contingency/pom.xml
index 36cd53d21fb..0008d72b6c9 100644
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diff --git a/distribution-core/pom.xml b/distribution-core/pom.xml
index 8900ca8011c..9dd0c82374d 100644
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diff --git a/dsl/pom.xml b/dsl/pom.xml
index 574327e0649..77de0fe552f 100644
--- a/dsl/pom.xml
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diff --git a/dynamic-security-analysis/pom.xml b/dynamic-security-analysis/pom.xml
index aa7ff6c76e4..01c9835b0bd 100644
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diff --git a/dynamic-simulation/dynamic-simulation-api/pom.xml b/dynamic-simulation/dynamic-simulation-api/pom.xml
index 3002e490708..4c84b5d58fa 100644
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diff --git a/dynamic-simulation/dynamic-simulation-dsl/pom.xml b/dynamic-simulation/dynamic-simulation-dsl/pom.xml
index 691ab834404..f3d1fc6d257 100644
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diff --git a/dynamic-simulation/dynamic-simulation-tool/pom.xml b/dynamic-simulation/dynamic-simulation-tool/pom.xml
index dd058b77c4f..12098ae9d3c 100644
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diff --git a/dynamic-simulation/pom.xml b/dynamic-simulation/pom.xml
index 8c664882f54..8739335bc00 100644
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diff --git a/entsoe-util/pom.xml b/entsoe-util/pom.xml
index 903f1f659ea..1de1ac38888 100644
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index 9ef09a841a1..7c270186e0d 100644
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index a5167e0cb1e..d121ff31885 100644
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diff --git a/ieee-cdf/pom.xml b/ieee-cdf/pom.xml
index 6063fb78ac6..31640b5a132 100644
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diff --git a/iidm/iidm-api/pom.xml b/iidm/iidm-api/pom.xml
index 956230f2ee7..f5711c792fd 100644
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+++ b/iidm/iidm-api/pom.xml
@@ -15,7 +15,7 @@
     <parent>
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         <artifactId>powsybl-iidm</artifactId>
-        <version>6.6.0-SNAPSHOT</version>
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     <artifactId>powsybl-iidm-api</artifactId>
diff --git a/iidm/iidm-comparator/pom.xml b/iidm/iidm-comparator/pom.xml
index 7047cc4cfb0..bbbf4284c8d 100644
--- a/iidm/iidm-comparator/pom.xml
+++ b/iidm/iidm-comparator/pom.xml
@@ -15,7 +15,7 @@
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     <artifactId>powsybl-iidm-comparator</artifactId>
diff --git a/iidm/iidm-criteria/pom.xml b/iidm/iidm-criteria/pom.xml
index 226de290284..7313ed4c1b0 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 05f81fd3cb3..b300f5ff165 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 e4c157b4c17..f5192332e19 100644
--- a/iidm/iidm-geodata/pom.xml
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@@ -14,7 +14,7 @@
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diff --git a/iidm/iidm-impl/pom.xml b/iidm/iidm-impl/pom.xml
index b94c47af2dd..0909996e492 100644
--- a/iidm/iidm-impl/pom.xml
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diff --git a/iidm/iidm-modification/pom.xml b/iidm/iidm-modification/pom.xml
index c60a37058c8..ea65d0f606e 100644
--- a/iidm/iidm-modification/pom.xml
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diff --git a/iidm/iidm-reducer/pom.xml b/iidm/iidm-reducer/pom.xml
index 696005eefbf..7b437a6a887 100644
--- a/iidm/iidm-reducer/pom.xml
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@@ -15,7 +15,7 @@
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diff --git a/iidm/iidm-scripting/pom.xml b/iidm/iidm-scripting/pom.xml
index 9c289b92416..00d151eb8cd 100644
--- a/iidm/iidm-scripting/pom.xml
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diff --git a/iidm/iidm-serde/pom.xml b/iidm/iidm-serde/pom.xml
index ab6e318b718..148f3b8dcc4 100644
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diff --git a/iidm/iidm-tck/pom.xml b/iidm/iidm-tck/pom.xml
index f5362bae8a7..db05988a13f 100644
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diff --git a/iidm/iidm-test/pom.xml b/iidm/iidm-test/pom.xml
index e5210f608ae..8c54a61677a 100644
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diff --git a/iidm/pom.xml b/iidm/pom.xml
index b9e91d11865..69c9c5c8cdb 100644
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diff --git a/itools-packager/pom.xml b/itools-packager/pom.xml
index cb554c17b3f..6f3f9beeaa1 100644
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diff --git a/loadflow/loadflow-api/pom.xml b/loadflow/loadflow-api/pom.xml
index 84067c57923..e02f219250d 100644
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index ca3fa74cab5..f57e86073db 100644
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index b2daf9c30b5..7cdc8fcc820 100644
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diff --git a/loadflow/loadflow-validation/pom.xml b/loadflow/loadflow-validation/pom.xml
index 56518936b72..54148e74074 100644
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index 541599c657b..4c705474db1 100644
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diff --git a/math/pom.xml b/math/pom.xml
index 910b671e75a..4c08441b8f6 100644
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diff --git a/matpower/matpower-converter/pom.xml b/matpower/matpower-converter/pom.xml
index 7e9d1d1c152..09e70fb1296 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 028318038d9..fc1cf9e7446 100644
--- a/matpower/matpower-model/pom.xml
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index e7b915e04a0..9cbb86b6936 100644
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diff --git a/pom.xml b/pom.xml
index dea28fb7375..5c87ba621fe 100644
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diff --git a/powerfactory/pom.xml b/powerfactory/pom.xml
index 687a4dea97f..b07c53cda3d 100644
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index 9652fb61d07..3fa39b42cb7 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 3ca54a36fbb..b5058e7c215 100644
--- a/powerfactory/powerfactory-db/pom.xml
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index 1e0e23b4cef..80f56fd9395 100644
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diff --git a/powerfactory/powerfactory-model/pom.xml b/powerfactory/powerfactory-model/pom.xml
index c2cb2651109..c8dbf9b13c5 100644
--- a/powerfactory/powerfactory-model/pom.xml
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diff --git a/psse/pom.xml b/psse/pom.xml
index 806b31e276c..9a87e45b0a6 100644
--- a/psse/pom.xml
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index 00a92eaf12f..e7533a4772e 100644
--- a/psse/psse-converter/pom.xml
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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 5e2ecf3f4a9..812ff902611 100644
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index 027615c30f9..132e038059a 100644
--- a/psse/psse-model/pom.xml
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diff --git a/scripting-test/pom.xml b/scripting-test/pom.xml
index 6a644f928f3..96e44f674ed 100644
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diff --git a/scripting/pom.xml b/scripting/pom.xml
index 86f15bcccd0..b84a595dce9 100644
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diff --git a/security-analysis/pom.xml b/security-analysis/pom.xml
index a99944d9892..9ce00903c77 100644
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diff --git a/security-analysis/security-analysis-api/pom.xml b/security-analysis/security-analysis-api/pom.xml
index bc9f154eaaf..ab7f1bdf7c9 100644
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index 2178fd13b8b..6b1fa82c8c8 100644
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diff --git a/sensitivity-analysis-api/pom.xml b/sensitivity-analysis-api/pom.xml
index 072d0c25309..471a855bf46 100644
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diff --git a/shortcircuit-api/pom.xml b/shortcircuit-api/pom.xml
index ee1bd53251c..b8b609b169b 100644
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diff --git a/time-series/pom.xml b/time-series/pom.xml
index 79757df30f9..269f932322f 100644
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diff --git a/time-series/time-series-api/pom.xml b/time-series/time-series-api/pom.xml
index 7311622c792..d6d2ff35823 100644
--- a/time-series/time-series-api/pom.xml
+++ b/time-series/time-series-api/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-time-series</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>6.6.0-SNAPSHOT</version>
+        <version>6.6.0-RC1</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 2907bd22ee1..82a084d71dd 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>6.6.0-SNAPSHOT</version>
+        <version>6.6.0-RC1</version>
     </parent>
 
     <artifactId>powsybl-time-series-dsl</artifactId>
diff --git a/tools-test/pom.xml b/tools-test/pom.xml
index 118e0113309..68918edfa36 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>6.6.0-SNAPSHOT</version>
+        <version>6.6.0-RC1</version>
     </parent>
 
     <artifactId>powsybl-tools-test</artifactId>
diff --git a/tools/pom.xml b/tools/pom.xml
index 4d5529b5cc0..ff6631f8a30 100644
--- a/tools/pom.xml
+++ b/tools/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-core</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>6.6.0-SNAPSHOT</version>
+        <version>6.6.0-RC1</version>
     </parent>
 
     <artifactId>powsybl-tools</artifactId>
diff --git a/triple-store/pom.xml b/triple-store/pom.xml
index 692ad361a43..e3f940212c5 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>6.6.0-SNAPSHOT</version>
+        <version>6.6.0-RC1</version>
     </parent>
 
     <packaging>pom</packaging>
diff --git a/triple-store/triple-store-api/pom.xml b/triple-store/triple-store-api/pom.xml
index 0b8f8af55f0..15bc7f86f20 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>6.6.0-SNAPSHOT</version>
+        <version>6.6.0-RC1</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 5518a1e6655..7d2f79a0a19 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>6.6.0-SNAPSHOT</version>
+        <version>6.6.0-RC1</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 c55ab47305d..335b21ed9e5 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>6.6.0-SNAPSHOT</version>
+        <version>6.6.0-RC1</version>
     </parent>
 
     <artifactId>powsybl-triple-store-test</artifactId>
diff --git a/ucte/pom.xml b/ucte/pom.xml
index 2475ae4ed6d..47226957e18 100644
--- a/ucte/pom.xml
+++ b/ucte/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-core</artifactId>
-        <version>6.6.0-SNAPSHOT</version>
+        <version>6.6.0-RC1</version>
     </parent>
 
     <packaging>pom</packaging>
diff --git a/ucte/ucte-converter/pom.xml b/ucte/ucte-converter/pom.xml
index 2efb6cdcacd..6ac71172f21 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>6.6.0-SNAPSHOT</version>
+        <version>6.6.0-RC1</version>
     </parent>
 
     <artifactId>powsybl-ucte-converter</artifactId>
diff --git a/ucte/ucte-network/pom.xml b/ucte/ucte-network/pom.xml
index 36daacb7ed9..d5f8d8d0922 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>6.6.0-SNAPSHOT</version>
+        <version>6.6.0-RC1</version>
     </parent>
 
     <artifactId>powsybl-ucte-network</artifactId>
diff --git a/ucte/ucte-util/pom.xml b/ucte/ucte-util/pom.xml
index 6422b37c9cd..e0af31ab2f8 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>6.6.0-SNAPSHOT</version>
+        <version>6.6.0-RC1</version>
     </parent>
 
     <artifactId>powsybl-ucte-util</artifactId>