diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 40966c58..242c878f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
           sudo apt-get update && sudo apt-get -y install tcl-thread
 
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
 
       - name: Run tests for all exercises
         run: bash bin/ci
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 3f1b3784..bfbcfac5 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -14,7 +14,7 @@ jobs:
           sudo apt-get update && sudo apt-get -y install tcl-thread
 
       - name: Checkout PR
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
 
       - name: Run tests for changed/added exercises
         env: