diff --git a/.github/workflows/elixir_tests.yml b/.github/workflows/elixir_tests.yml
index 01c99cf..3bc72d6 100644
--- a/.github/workflows/elixir_tests.yml
+++ b/.github/workflows/elixir_tests.yml
@@ -15,7 +15,7 @@ jobs:
           apt-get update
           apt-get install -y git
 
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
         with:
           submodules: recursive
 
@@ -52,7 +52,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: Run Smoke Test in Docker
         run: bin/run-tests-in-docker.sh
diff --git a/.github/workflows/exercism_test_helper_build_test.yml b/.github/workflows/exercism_test_helper_build_test.yml
index 77eb048..68f5d61 100644
--- a/.github/workflows/exercism_test_helper_build_test.yml
+++ b/.github/workflows/exercism_test_helper_build_test.yml
@@ -14,7 +14,7 @@ jobs:
       image: hexpm/elixir:1.20.1-erlang-29.0-debian-bookworm-20260610
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       - name: Install Dependencies
         run: |
           cd exercism_test_helper