diff --git a/apax.yml b/apax.yml
index ceb8f80..67b07b6 100644
--- a/apax.yml
+++ b/apax.yml
@@ -20,7 +20,7 @@ variables:
     - '--debug'
 # Dependencies
 devDependencies:
-  "@ax/sdk": 4.0.12
+  "@ax/sdk": 2311.0.1
   "@simatic-ax/snippetscollection": 0.1.3
 dependencies:
   "@simatic-ax/simple-control-modules": 4.0.1