diff --git a/.github/workflows/cflite_batch.yml b/.github/workflows/cflite_batch.yml
index a7beb6c..89142e4 100644
--- a/.github/workflows/cflite_batch.yml
+++ b/.github/workflows/cflite_batch.yml
@@ -51,7 +51,7 @@ jobs:
 
       - name: Upload SARIF (if crashes found)
         if: always() && steps.run.outputs.sarif-output != ''
-        uses: github/codeql-action/upload-sarif@24c54180a607b1449ed407dd24f251e4e9147c8d # v4
+        uses: github/codeql-action/upload-sarif@33d7b85da1a04171e211befe2c739303b9a4c066 # v4
         with:
           sarif_file: ${{ steps.run.outputs.sarif-output }}
           category: clusterfuzzlite-batch-${{ matrix.sanitizer }}
diff --git a/.github/workflows/cflite_pr.yml b/.github/workflows/cflite_pr.yml
index 02bbbf1..81ecaef 100644
--- a/.github/workflows/cflite_pr.yml
+++ b/.github/workflows/cflite_pr.yml
@@ -50,7 +50,7 @@ jobs:
 
       - name: Upload SARIF (if crashes found)
         if: always() && steps.run.outputs.sarif-output != ''
-        uses: github/codeql-action/upload-sarif@24c54180a607b1449ed407dd24f251e4e9147c8d # v4
+        uses: github/codeql-action/upload-sarif@33d7b85da1a04171e211befe2c739303b9a4c066 # v4
         with:
           sarif_file: ${{ steps.run.outputs.sarif-output }}
           category: clusterfuzzlite-${{ matrix.sanitizer }}
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 2df9c3e..1aa28d5 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -48,12 +48,12 @@ jobs:
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@24c54180a607b1449ed407dd24f251e4e9147c8d # v3
+        uses: github/codeql-action/init@33d7b85da1a04171e211befe2c739303b9a4c066 # v3
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@24c54180a607b1449ed407dd24f251e4e9147c8d # v3
+        uses: github/codeql-action/analyze@33d7b85da1a04171e211befe2c739303b9a4c066 # v3
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/echidna-validation.yml b/.github/workflows/echidna-validation.yml
index 88c18d1..ce35967 100644
--- a/.github/workflows/echidna-validation.yml
+++ b/.github/workflows/echidna-validation.yml
@@ -40,7 +40,7 @@ jobs:
           components: rustfmt, clippy
 
       - name: Cache Rust dependencies
-        uses: Swatinem/rust-cache@f0d9c3887740aee45f6153b24b3a6b815192ec16  # v2
+        uses: Swatinem/rust-cache@c8037a86dde8214a8310e9f54a8fc61ab362aa31  # v2
         with:
           workspaces: impl/rust-cli
 
@@ -93,7 +93,7 @@ jobs:
         uses: dtolnay/rust-toolchain@4be9e76fd7c4901c61fb841f559994984270fce7  # stable
 
       - name: Cache Rust dependencies
-        uses: Swatinem/rust-cache@f0d9c3887740aee45f6153b24b3a6b815192ec16  # v2
+        uses: Swatinem/rust-cache@c8037a86dde8214a8310e9f54a8fc61ab362aa31  # v2
         with:
           workspaces: impl/rust-cli
 
diff --git a/.github/workflows/hypatia-scan.yml b/.github/workflows/hypatia-scan.yml
index 2e60958..3e0a15d 100644
--- a/.github/workflows/hypatia-scan.yml
+++ b/.github/workflows/hypatia-scan.yml
@@ -243,7 +243,7 @@ jobs:
           always() &&
           (github.event_name != 'pull_request' ||
            github.event.pull_request.head.repo.fork != true)
-        uses: github/codeql-action/upload-sarif@24c54180a607b1449ed407dd24f251e4e9147c8d # v3.28.1
+        uses: github/codeql-action/upload-sarif@33d7b85da1a04171e211befe2c739303b9a4c066 # v3.28.1
         with:
           sarif_file: hypatia.sarif
           # Distinct category so Hypatia results coexist with CodeQL's
diff --git a/.github/workflows/lean-verification.yml b/.github/workflows/lean-verification.yml
index ed6cdcd..96c2639 100644
--- a/.github/workflows/lean-verification.yml
+++ b/.github/workflows/lean-verification.yml
@@ -90,7 +90,7 @@ jobs:
           nm -D impl/ocaml/liblean_vsh.so | grep vsh_safe || echo "Warning: vsh_safe functions not exported"
 
       - name: Cache Rust build
-        uses: Swatinem/rust-cache@f0d9c3887740aee45f6153b24b3a6b815192ec16  # v2
+        uses: Swatinem/rust-cache@c8037a86dde8214a8310e9f54a8fc61ab362aa31  # v2
         with:
           workspaces: impl/rust-cli
 
diff --git a/.github/workflows/push-email-notify.yml b/.github/workflows/push-email-notify.yml
index 1d4d92f..66b0ca4 100644
--- a/.github/workflows/push-email-notify.yml
+++ b/.github/workflows/push-email-notify.yml
@@ -39,7 +39,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Send push notification email
-        uses: hyperpolymath/smtp-notify-action@c1c9fa07992a02c1fd3d67a0dc1b08cccb852aef # v0.5.0
+        uses: hyperpolymath/smtp-notify-action@e384daf6167a7a7567642d6a62060106244d2413 # v0.5.1
         with:
           server_address: ${{ secrets.SMTP_HOST }}
           server_port: ${{ secrets.SMTP_PORT }}
diff --git a/.github/workflows/rust-cli.yml b/.github/workflows/rust-cli.yml
index 0c9abfa..58fda68 100644
--- a/.github/workflows/rust-cli.yml
+++ b/.github/workflows/rust-cli.yml
@@ -31,7 +31,7 @@ jobs:
           components: rustfmt, clippy
 
       - name: Cache Rust dependencies
-        uses: Swatinem/rust-cache@f0d9c3887740aee45f6153b24b3a6b815192ec16  # v2
+        uses: Swatinem/rust-cache@c8037a86dde8214a8310e9f54a8fc61ab362aa31  # v2
         with:
           workspaces: impl/rust-cli
 
@@ -110,7 +110,7 @@ jobs:
           components: llvm-tools-preview
 
       - name: Cache Rust dependencies
-        uses: Swatinem/rust-cache@f0d9c3887740aee45f6153b24b3a6b815192ec16  # v2
+        uses: Swatinem/rust-cache@c8037a86dde8214a8310e9f54a8fc61ab362aa31  # v2
         with:
           workspaces: impl/rust-cli