diff --git a/java/pom.xml b/java/pom.xml
index 9a303886bd..655e6da652 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -58,7 +58,7 @@
     </developers>
 
     <packaging>jar</packaging>
-    <version>1.5.1-SNAPSHOT</version>
+    <version>1.5.1</version>
 
     <properties>
         <java.version>17</java.version>
diff --git a/pypowsybl/__init__.py b/pypowsybl/__init__.py
index b599a92284..7fa871859b 100644
--- a/pypowsybl/__init__.py
+++ b/pypowsybl/__init__.py
@@ -22,7 +22,7 @@
 )
 from pypowsybl.network import per_unit_view
 
-__version__ = '1.5.1-SNAPSHOT'
+__version__ = '1.5.1'
 
 # set JVM java.library.path to pypowsybl module installation directory to be able to load math library
 _pypowsybl.set_java_library_path(_os.path.dirname(_inspect.getfile(_pypowsybl)))