diff --git a/balances-adjustment/pom.xml b/balances-adjustment/pom.xml
index ee33544c..a6d7f241 100644
--- a/balances-adjustment/pom.xml
+++ b/balances-adjustment/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>powsybl-entsoe</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/cne/cne-converter/pom.xml b/cne/cne-converter/pom.xml
index 00c4bf44..556fb388 100644
--- a/cne/cne-converter/pom.xml
+++ b/cne/cne-converter/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <artifactId>powsybl-cne</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-cne-converter</artifactId>
diff --git a/cne/cne-model/pom.xml b/cne/cne-model/pom.xml
index 6aced1d5..0c5829dd 100644
--- a/cne/cne-model/pom.xml
+++ b/cne/cne-model/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <artifactId>powsybl-cne</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-cne-model</artifactId>
diff --git a/cne/pom.xml b/cne/pom.xml
index b3cdf85a..7b4b82ee 100644
--- a/cne/pom.xml
+++ b/cne/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <artifactId>powsybl-entsoe</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
 
     <packaging>pom</packaging>
diff --git a/commons/pom.xml b/commons/pom.xml
index 30aa3357..90d98a22 100644
--- a/commons/pom.xml
+++ b/commons/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <artifactId>powsybl-entsoe</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-entsoe-commons</artifactId>
diff --git a/distribution-entsoe/pom.xml b/distribution-entsoe/pom.xml
index 18fe1906..7938db51 100644
--- a/distribution-entsoe/pom.xml
+++ b/distribution-entsoe/pom.xml
@@ -15,7 +15,7 @@
     <parent>
         <artifactId>powsybl-entsoe</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
 
     <packaging>pom</packaging>
diff --git a/emf/pom.xml b/emf/pom.xml
index c1e3b857..9938ecc3 100644
--- a/emf/pom.xml
+++ b/emf/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>powsybl-entsoe</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/entsoe-cgmes-balances-adjustment/pom.xml b/entsoe-cgmes-balances-adjustment/pom.xml
index e1622a1c..890e61c1 100644
--- a/entsoe-cgmes-balances-adjustment/pom.xml
+++ b/entsoe-cgmes-balances-adjustment/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>powsybl-entsoe</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/flow-decomposition/pom.xml b/flow-decomposition/pom.xml
index 9d98cb9d..45ac3661 100644
--- a/flow-decomposition/pom.xml
+++ b/flow-decomposition/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>powsybl-entsoe</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/glsk/glsk-commons/pom.xml b/glsk/glsk-commons/pom.xml
index ab9f233c..2ce22eae 100644
--- a/glsk/glsk-commons/pom.xml
+++ b/glsk/glsk-commons/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>powsybl-glsk</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-glsk-commons</artifactId>
diff --git a/glsk/glsk-document-api/pom.xml b/glsk/glsk-document-api/pom.xml
index 1396b03f..5aa5834e 100644
--- a/glsk/glsk-document-api/pom.xml
+++ b/glsk/glsk-document-api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>powsybl-glsk</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/glsk/glsk-document-cim/pom.xml b/glsk/glsk-document-cim/pom.xml
index 35cbb4a3..80d6478f 100644
--- a/glsk/glsk-document-cim/pom.xml
+++ b/glsk/glsk-document-cim/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>powsybl-glsk</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/glsk/glsk-document-cse/pom.xml b/glsk/glsk-document-cse/pom.xml
index a01ab7ee..c0513e77 100644
--- a/glsk/glsk-document-cse/pom.xml
+++ b/glsk/glsk-document-cse/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>powsybl-glsk</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/glsk/glsk-document-io-api/pom.xml b/glsk/glsk-document-io-api/pom.xml
index 8b184cf7..494ecd47 100644
--- a/glsk/glsk-document-io-api/pom.xml
+++ b/glsk/glsk-document-io-api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>powsybl-glsk</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/glsk/glsk-document-ucte/pom.xml b/glsk/glsk-document-ucte/pom.xml
index 9b99228f..291a89f2 100644
--- a/glsk/glsk-document-ucte/pom.xml
+++ b/glsk/glsk-document-ucte/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>powsybl-glsk</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/glsk/glsk-quality-check-ucte/pom.xml b/glsk/glsk-quality-check-ucte/pom.xml
index 2b25d9da..7529f1a8 100644
--- a/glsk/glsk-quality-check-ucte/pom.xml
+++ b/glsk/glsk-quality-check-ucte/pom.xml
@@ -7,11 +7,11 @@
     <parent>
         <artifactId>powsybl-glsk</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-glsk-quality-check-ucte</artifactId>
-    <version>2.6.0</version>
+    <version>2.7.0-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>GLSK quality check</name>
     <description>GLSK quality check module for UCTE formatted file</description>
diff --git a/glsk/pom.xml b/glsk/pom.xml
index 375f7b89..3651daf9 100644
--- a/glsk/pom.xml
+++ b/glsk/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>powsybl-entsoe</artifactId>
         <groupId>com.powsybl</groupId>
-        <version>2.6.0</version>
+        <version>2.7.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>powsybl-glsk</artifactId>
diff --git a/pom.xml b/pom.xml
index a39ac1a5..199f1714 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
     </parent>
 
     <artifactId>powsybl-entsoe</artifactId>
-    <version>2.6.0</version>
+    <version>2.7.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>ENTSO-E</name>