diff --git a/apax.yml b/apax.yml
index 507e62a..e05035e 100644
--- a/apax.yml
+++ b/apax.yml
@@ -27,7 +27,7 @@ devDependencies:
   '@ax/sdk': ^2405.1.0
   "@simatic-ax/snippetscollection": ^1.0.0
 dependencies:
-  "@ax/system-timer": ^7.1.47
+  "@ax/system-timer": ^9.0.0
   "@ax/simatic-1500-distributedio": ^7.0.1
   "@ax/system-serde": ^7.1.47
   "@ax/simatic-1500-clocks": ^7.0.4