diff --git a/.github/workflows/__rubocop-multi-language.yml b/.github/workflows/__rubocop-multi-language.yml
index dca3140bd5..ed88090aba 100644
--- a/.github/workflows/__rubocop-multi-language.yml
+++ b/.github/workflows/__rubocop-multi-language.yml
@@ -46,7 +46,7 @@ jobs:
           use-all-platform-bundle: 'false'
           setup-kotlin: 'true'
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@2654679fe7f7c29875c669398a8ec0791b8a64a1 # v1.215.0
         with:
           ruby-version: 2.6
       - name: Install Code Scanning integration
diff --git a/pr-checks/checks/rubocop-multi-language.yml b/pr-checks/checks/rubocop-multi-language.yml
index 90b41b6fa7..e456ce84ea 100644
--- a/pr-checks/checks/rubocop-multi-language.yml
+++ b/pr-checks/checks/rubocop-multi-language.yml
@@ -5,7 +5,7 @@ operatingSystems: ["ubuntu"]
 versions: ["default"]
 steps:
   - name: Set up Ruby
-    uses: ruby/setup-ruby@v1
+    uses: ruby/setup-ruby@2654679fe7f7c29875c669398a8ec0791b8a64a1 # v1.215.0
     with:
       ruby-version: 2.6
   - name: Install Code Scanning integration