diff --git a/action.json b/action.json
index 6eb904f..1e80602 100644
--- a/action.json
+++ b/action.json
@@ -1,5 +1,6 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["helpers:pinGitHubActionDigests"],
   "packageRules": [
     {
       "matchManagers": ["github-actions"],