diff --git a/.github/workflows/compress-images.yml b/.github/workflows/compress-images.yml
index 4e73fbc..bab57dd 100644
--- a/.github/workflows/compress-images.yml
+++ b/.github/workflows/compress-images.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
       - name: Compress Images
         id: calibre
         uses: calibreapp/image-actions@main
diff --git a/.github/workflows/generate-listings.yml b/.github/workflows/generate-listings.yml
index a803ccc..c0c7b5e 100644
--- a/.github/workflows/generate-listings.yml
+++ b/.github/workflows/generate-listings.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/pr-compress-images.yml b/.github/workflows/pr-compress-images.yml
index 34dc173..32f33c7 100644
--- a/.github/workflows/pr-compress-images.yml
+++ b/.github/workflows/pr-compress-images.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Compress Images
         uses: calibreapp/image-actions@main