diff --git a/devel/CMakeLists.txt b/devel/CMakeLists.txt
index f251eba04c..87ff82a5c9 100644
--- a/devel/CMakeLists.txt
+++ b/devel/CMakeLists.txt
@@ -9,7 +9,7 @@ endif()
 
 set( ERT_VERSION_MAJOR 1 )
 set( ERT_VERSION_MINOR 9 )
-set( ERT_VERSION_MICRO 4 )
+set( ERT_VERSION_MICRO 5 )
 
 # If the micro version is not integer, that should be interpreted as a
 # development version leading towards version MAJOR.MINOR.0