diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 9587fcf..da1c769 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -18,7 +18,7 @@ jobs:
     name: Build & Upload Artifact
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
         with:
           persist-credentials: false
 
@@ -52,7 +52,7 @@ jobs:
     needs: build-docs
     if: contains(github.ref, 'tags')
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
         with:
           persist-credentials: false
       - uses: actions/download-artifact@v7.0.0
@@ -60,7 +60,7 @@ jobs:
           name: docs
 
       - name: Push to GitHub pages
-        uses: JamesIves/github-pages-deploy-action@9d877eea73427180ae43cf98e8914934fe157a1a # v4
+        uses: JamesIves/github-pages-deploy-action@d92aa235d04922e8f08b40ce78cc5442fcfbfa2f # v4
         with:
           folder: html
           ssh-key: ${{ secrets.DEPLOY_KEY }}
diff --git a/.github/workflows/test_and_deploy.yml b/.github/workflows/test_and_deploy.yml
index 6a0ad0e..ef7d8df 100644
--- a/.github/workflows/test_and_deploy.yml
+++ b/.github/workflows/test_and_deploy.yml
@@ -23,7 +23,7 @@ jobs:
     name: precommit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - uses: actions/checkout@0c366fd6a839edf440554fa01a7085ccba70ac98 # v5.0.1
         with:
           fetch-depth: 0
       - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
@@ -42,7 +42,7 @@ jobs:
         python-version: ["3.11", "3.12", "3.13"]
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
         with:
           persist-credentials: false
 
@@ -98,7 +98,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.2
         with:
           persist-credentials: false
       - name: Set up Python