diff --git a/template/apax.yml b/template/apax.yml
index 8e0eb43..288a5b0 100644
--- a/template/apax.yml
+++ b/template/apax.yml
@@ -21,6 +21,13 @@ targets:
 registries:
   '@simatic-ax': 'https://npm.pkg.github.com/'
 
+# The public key(s) to verify dependencies. This ensures, that the package is
+# not tampered with.
+publicKeys:
+  "@simatic-ax":
+    "v1": "3792a7e926775425ccdd29ceed8c368c3008b5b33d7d5550b3cb1f58093e1dff"
+    "v2": "7af3e394eb2b285a3d99ab8e1f745cc6db75704b30a80393339c721a92ffffd9"
+
 # Dependencies
 catalogs:
   "@ax/simatic-ax": 2504.0.0
@@ -45,4 +52,4 @@ scripts:
   # call 'apax dlplc' to build and download the application to the target
   dlplc:
     - apax build
-    - apax load
\ No newline at end of file
+    - apax load