diff --git a/apax.yml b/apax.yml
index 5144a80..d81982f 100644
--- a/apax.yml
+++ b/apax.yml
@@ -15,7 +15,7 @@ variables:
   APAX_BUILD_ARGS:
     - --debug
 devDependencies:
-  "@ax/sdk": 2405.0.0
+  "@ax/sdk": 2405.3.0
 dependencies:
   "@simatic-ax/io": 5.0.0
   "@ax/system-timer": 6.0.94