diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d86fd8a..1dbffb3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,12 +14,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 0 # Gitleaks needs the full history to scan properly
 
       - name: Run Gitleaks
-        uses: gitleaks/gitleaks-action@v3
+        uses: gitleaks/gitleaks-action@e0c47f4f8be36e29cdc102c57e68cb5cbf0e8d1e # v3.0.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           GITLEAKS_LICENSE: ${{ secrets.GITLEAKS_LICENSE }}
@@ -29,10 +29,10 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Set up Python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: '3.x'
 
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 64cb3e4..071a072 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -11,10 +11,10 @@ jobs:
 
     steps:
       - name: Check out the repo
-        uses: actions/checkout@v7
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Set up Python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: '3.x'
 
diff --git a/.github/workflows/semgrep.yaml b/.github/workflows/semgrep.yaml
index fb609e3..ea13e5d 100644
--- a/.github/workflows/semgrep.yaml
+++ b/.github/workflows/semgrep.yaml
@@ -14,7 +14,7 @@ jobs:
       image: semgrep/semgrep:1.172.0@sha256:65dcd4408adda7c183a6b4550cb1e9b19f7f627a6fbb7e0559bd466bedc44d7b
     steps:
       # Fetch project source
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Run Semgrep
         run: |