diff --git a/java/pom.xml b/java/pom.xml
index 98730c5bc..2252fca47 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -58,7 +58,7 @@
     </developers>
 
     <packaging>jar</packaging>
-    <version>0.24.0-SNAPSHOT</version>
+    <version>0.23.1</version>
 
     <properties>
         <java.version>11</java.version>
diff --git a/pypowsybl/__init__.py b/pypowsybl/__init__.py
index 3de814d0b..98251a1c1 100644
--- a/pypowsybl/__init__.py
+++ b/pypowsybl/__init__.py
@@ -20,7 +20,7 @@
     perunit
 )
 
-__version__ = '0.24.0.dev1'
+__version__ = '0.23.1'
 
 # 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)))