diff --git a/afs-action-dsl/pom.xml b/afs-action-dsl/pom.xml
index 95d7d8dd..8c1b8bd9 100644
--- a/afs-action-dsl/pom.xml
+++ b/afs-action-dsl/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/afs-cassandra/pom.xml b/afs-cassandra/pom.xml
index 78723f88..8782c348 100644
--- a/afs-cassandra/pom.xml
+++ b/afs-cassandra/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-cassandra</artifactId>
diff --git a/afs-contingency/pom.xml b/afs-contingency/pom.xml
index 39dc7395..5850735f 100644
--- a/afs-contingency/pom.xml
+++ b/afs-contingency/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-contingency</artifactId>
diff --git a/afs-core/pom.xml b/afs-core/pom.xml
index e0e984a2..22c38e0c 100644
--- a/afs-core/pom.xml
+++ b/afs-core/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-afs</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-core</artifactId>
diff --git a/afs-distribution/pom.xml b/afs-distribution/pom.xml
index 93612b26..0a6721d3 100644
--- a/afs-distribution/pom.xml
+++ b/afs-distribution/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <artifactId>powsybl-afs</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/afs-ext-base/pom.xml b/afs-ext-base/pom.xml
index 11225cbd..ea3ae86c 100644
--- a/afs-ext-base/pom.xml
+++ b/afs-ext-base/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-afs</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-ext-base</artifactId>
diff --git a/afs-local/pom.xml b/afs-local/pom.xml
index b260ee4a..5b841dd8 100644
--- a/afs-local/pom.xml
+++ b/afs-local/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-afs</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-local</artifactId>
diff --git a/afs-mapdb-storage/pom.xml b/afs-mapdb-storage/pom.xml
index 1f426c98..6d6bdf17 100644
--- a/afs-mapdb-storage/pom.xml
+++ b/afs-mapdb-storage/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-afs</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-mapdb-storage</artifactId>
diff --git a/afs-mapdb/pom.xml b/afs-mapdb/pom.xml
index 3d1c642a..b64f5fa4 100644
--- a/afs-mapdb/pom.xml
+++ b/afs-mapdb/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-afs</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-mapdb</artifactId>
diff --git a/afs-network/afs-network-client/pom.xml b/afs-network/afs-network-client/pom.xml
index ea57b9cb..c67a5988 100644
--- a/afs-network/afs-network-client/pom.xml
+++ b/afs-network/afs-network-client/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs-network</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-network-client</artifactId>
diff --git a/afs-network/afs-network-server/pom.xml b/afs-network/afs-network-server/pom.xml
index e1a7609b..de9279ea 100644
--- a/afs-network/afs-network-server/pom.xml
+++ b/afs-network/afs-network-server/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs-network</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-network-server</artifactId>
diff --git a/afs-network/pom.xml b/afs-network/pom.xml
index f61ddba7..caab6f3f 100644
--- a/afs-network/pom.xml
+++ b/afs-network/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-network</artifactId>
diff --git a/afs-scripting/pom.xml b/afs-scripting/pom.xml
index e111266b..f854c342 100644
--- a/afs-scripting/pom.xml
+++ b/afs-scripting/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <artifactId>powsybl-afs</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/afs-security-analysis-local/pom.xml b/afs-security-analysis-local/pom.xml
index 7eb1f421..fe00c9d1 100644
--- a/afs-security-analysis-local/pom.xml
+++ b/afs-security-analysis-local/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-security-analysis-local</artifactId>
diff --git a/afs-security-analysis/pom.xml b/afs-security-analysis/pom.xml
index c323f466..18cd551f 100644
--- a/afs-security-analysis/pom.xml
+++ b/afs-security-analysis/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-security-analysis</artifactId>
diff --git a/afs-spring-server/pom.xml b/afs-spring-server/pom.xml
index c5badda5..df430623 100644
--- a/afs-spring-server/pom.xml
+++ b/afs-spring-server/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-spring-server</artifactId>
diff --git a/afs-storage-api/pom.xml b/afs-storage-api/pom.xml
index a2231f97..cf382827 100644
--- a/afs-storage-api/pom.xml
+++ b/afs-storage-api/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-afs</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-storage-api</artifactId>
diff --git a/afs-ws/afs-ws-client-utils/pom.xml b/afs-ws/afs-ws-client-utils/pom.xml
index ca153b2a..0a25291d 100644
--- a/afs-ws/afs-ws-client-utils/pom.xml
+++ b/afs-ws/afs-ws-client-utils/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs-ws</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-ws-client-utils</artifactId>
diff --git a/afs-ws/afs-ws-client/pom.xml b/afs-ws/afs-ws-client/pom.xml
index 8b6d4634..9c6b4dfd 100644
--- a/afs-ws/afs-ws-client/pom.xml
+++ b/afs-ws/afs-ws-client/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs-ws</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-ws-client</artifactId>
diff --git a/afs-ws/afs-ws-server-utils/pom.xml b/afs-ws/afs-ws-server-utils/pom.xml
index f6d3ddf8..cb1e905e 100644
--- a/afs-ws/afs-ws-server-utils/pom.xml
+++ b/afs-ws/afs-ws-server-utils/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs-ws</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-ws-server-utils</artifactId>
diff --git a/afs-ws/afs-ws-storage/pom.xml b/afs-ws/afs-ws-storage/pom.xml
index 9c9db4a8..ddb3fd88 100644
--- a/afs-ws/afs-ws-storage/pom.xml
+++ b/afs-ws/afs-ws-storage/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs-ws</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-ws-storage</artifactId>
diff --git a/afs-ws/afs-ws-utils/pom.xml b/afs-ws/afs-ws-utils/pom.xml
index b864b7c3..6bc2799f 100644
--- a/afs-ws/afs-ws-utils/pom.xml
+++ b/afs-ws/afs-ws-utils/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs-ws</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-ws-utils</artifactId>
diff --git a/afs-ws/pom.xml b/afs-ws/pom.xml
index 8e8f5bfa..a99e77bd 100644
--- a/afs-ws/pom.xml
+++ b/afs-ws/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <groupId>com.powsybl</groupId>
         <artifactId>powsybl-afs</artifactId>
-        <version>6.3.0-SNAPSHOT</version>
+        <version>6.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-afs-ws</artifactId>
diff --git a/pom.xml b/pom.xml
index 64837a91..4de47cf6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
         <relativePath/>
     </parent>
     <artifactId>powsybl-afs</artifactId>
-    <version>6.3.0-SNAPSHOT</version>
+    <version>6.4.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>powsybl-afs</name>