diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index a83dc914..73691a8b 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -39,11 +39,11 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v7.0.1
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4.37.7
+        uses: github/codeql-action/init@v4.37.9
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v4.37.7
+        uses: github/codeql-action/analyze@v4.37.9
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 4f733f43..4ee4d492 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Send push notification email
-        uses: dawidd6/action-send-mail@v3.12.0
+        uses: dawidd6/action-send-mail@v18
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e7155725..90b2306d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -74,7 +74,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v7.0.1
       - name: Set up OCaml
-        uses: ocaml/setup-ocaml@v3.7.1
+        uses: ocaml/setup-ocaml@v3.7.2
         with:
           ocaml-compiler: "5.1"
       - name: Install dependencies
diff --git a/.github/workflows/semgrep.yml b/.github/workflows/semgrep.yml
index 53605c1e..0f2a8c9a 100644
--- a/.github/workflows/semgrep.yml
+++ b/.github/workflows/semgrep.yml
@@ -32,7 +32,7 @@ jobs:
         env:
           SEMGREP_APP_TOKEN: ${{ secrets.SEMGREP_APP_TOKEN }}
       - name: Upload SARIF
-        uses: github/codeql-action/upload-sarif@v4.37.7
+        uses: github/codeql-action/upload-sarif@v4.37.9
         with:
           sarif_file: semgrep.sarif
         if: always()