diff --git a/CMakeLists.txt b/CMakeLists.txt
index b7f793b49a88f2201b3e0823d427c0393b7c5f0d..7d8657501b270f4b248a868373db02015a7a096d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@
 # Specify the required version of CMake.
 # cmake 3.15 required for findPython virtualenv configuration
 cmake_minimum_required(VERSION 3.15)
-project(ale VERSION 0.9.0 DESCRIPTION "Abstraction Library for Ephemerides ")
+project(ale VERSION 0.9.1 DESCRIPTION "Abstraction Library for Ephemerides ")
 
 # include what we need
 include(GNUInstallDirs)