diff --git a/.github/workflows/casket-pages.yml b/.github/workflows/casket-pages.yml
index 7607ba1..2f808b6 100644
--- a/.github/workflows/casket-pages.yml
+++ b/.github/workflows/casket-pages.yml
@@ -29,7 +29,7 @@ jobs:
           path: .casket-ssg
 
       - name: Setup GHCup
-        uses: haskell-actions/setup@cd0d9bdd65b20557f41bea4dbe43d0b5fbbfe553 # v2
+        uses: haskell-actions/setup@6037f33647c3f17758a2356c80fc4a53d7e0685d # v2
         with:
           ghc-version: '9.8.2'
           cabal-version: '3.10'
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index c957848..2963c22 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -38,12 +38,12 @@ jobs:
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v3
+        uses: github/codeql-action/init@5595ccaf912efad79be6eef63a5619ff05969be3 # v3
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v3
+        uses: github/codeql-action/analyze@5595ccaf912efad79be6eef63a5619ff05969be3 # v3
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 2a95f5d..1ad5499 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Send push notification email
-        uses: dawidd6/action-send-mail@12335b969ae3fb71bee5f2c6b829744261aec34c # pinned
+        uses: dawidd6/action-send-mail@5cdad7c44dc8037605651ac816add36f83fc7cc8 # pinned
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}