diff --git a/.github/workflows/casket-pages.yml b/.github/workflows/casket-pages.yml
index be3fea3..03544b7 100644
--- a/.github/workflows/casket-pages.yml
+++ b/.github/workflows/casket-pages.yml
@@ -35,7 +35,7 @@ jobs:
           cabal-version: '3.10'
 
       - name: Cache Cabal
-        uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v4
+        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v4
         with:
           path: |
             ~/.cabal/packages
diff --git a/.github/workflows/hypatia-scan.yml b/.github/workflows/hypatia-scan.yml
index f2bf132..5d47168 100644
--- a/.github/workflows/hypatia-scan.yml
+++ b/.github/workflows/hypatia-scan.yml
@@ -20,12 +20,12 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4
         with:
           fetch-depth: 0  # Full history for better pattern analysis
 
       - name: Setup Elixir for Hypatia scanner
-        uses: erlef/setup-beam@2f0cc07b4b9bea248ae098aba9e1a8a1de5ec24c # v1.18.2
+        uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.18.2
         with:
           elixir-version: '1.19.4'
           otp-version: '28.3'
@@ -146,7 +146,7 @@ jobs:
 
       - name: Comment on PR with findings
         if: github.event_name == 'pull_request' && steps.scan.outputs.findings_count > 0
-        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v7
         with:
           script: |
             const fs = require('fs');