diff --git a/.github/workflows/bump-packages.yaml b/.github/workflows/bump-packages.yaml
index 9899cf0b..d1d9cfc4 100644
--- a/.github/workflows/bump-packages.yaml
+++ b/.github/workflows/bump-packages.yaml
@@ -13,13 +13,13 @@ jobs:
     name: Bump packages
     runs-on: ubuntu-latest
     steps:
-      - uses: mongodb-js/devtools-shared/actions/setup-bot-token@main
+      - uses: mongodb-js/devtools-shared/actions/setup-bot-token@main # main
         id: app-token
         with:
           app-id: ${{ vars.DEVTOOLS_BOT_APP_ID }}
           private-key: ${{ secrets.DEVTOOLS_BOT_PRIVATE_KEY }}
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
         with:
           # don't checkout a detatched HEAD
           ref: ${{ github.head_ref }}
@@ -31,7 +31,7 @@ jobs:
           fetch-depth: "0"
 
       - name: Setup Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6
         with:
           node-version: 22.21.1
           cache: "npm"
diff --git a/.github/workflows/check-test.yaml b/.github/workflows/check-test.yaml
index 3dd3b0a9..e96db567 100644
--- a/.github/workflows/check-test.yaml
+++ b/.github/workflows/check-test.yaml
@@ -54,14 +54,14 @@ jobs:
         run: sudo apt-get -y update && sudo apt-get -y install libkrb5-dev libsecret-1-dev net-tools libstdc++6 gnome-keyring
 
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
         with:
           fetch-depth: 0
           submodules: recursive
           ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Setup Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6
         with:
           node-version: 22.21.1
           cache: "npm"
@@ -72,7 +72,7 @@ jobs:
       - name: Use python@3.11
         # Default Python (3.12) doesn't have support for distutils
         # https://github.com/nodejs/node-gyp/issues/2869
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6
         with:
           python-version: "3.11"
 
@@ -149,13 +149,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
         with:
           fetch-depth: 0
           submodules: recursive
 
       - name: Setup Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6
         with:
           node-version: 22.21.1
 
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index c7a4ae72..0da0acac 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -30,12 +30,12 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
         with:
           submodules: recursive
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4
+        uses: github/codeql-action/init@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4
         with:
           languages: ${{ matrix.language }}
           config: |
@@ -49,6 +49,6 @@ jobs:
               - 'scripts/**'
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v4
+        uses: github/codeql-action/analyze@e4fba868fa4b1b91e1fdab776edc8cfbe6e9fb81 # v4
         with:
           category: "/language:${{matrix.language}}"
diff --git a/.github/workflows/dependency-review.yaml b/.github/workflows/dependency-review.yaml
index 01818ee8..f79f9631 100644
--- a/.github/workflows/dependency-review.yaml
+++ b/.github/workflows/dependency-review.yaml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
 
       - name: Dependency review
-        uses: actions/dependency-review-action@v4
+        uses: actions/dependency-review-action@2031cfc080254a8a887f58cffee85186f0e49e48 # v4
diff --git a/.github/workflows/publish-packages.yaml b/.github/workflows/publish-packages.yaml
index 300bca19..571959fa 100644
--- a/.github/workflows/publish-packages.yaml
+++ b/.github/workflows/publish-packages.yaml
@@ -21,13 +21,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: mongodb-js/devtools-shared/actions/setup-bot-token@main
+      - uses: mongodb-js/devtools-shared/actions/setup-bot-token@main # main
         id: app-token
         with:
           app-id: ${{ vars.DEVTOOLS_BOT_APP_ID }}
           private-key: ${{ secrets.DEVTOOLS_BOT_PRIVATE_KEY }}
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
         with:
           # don't checkout a detatched HEAD
           ref: ${{ github.head_ref }}
@@ -38,7 +38,7 @@ jobs:
           fetch-depth: "0"
 
       - name: Setup Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6
         with:
           node-version: 22.21.1
           cache: "npm"
diff --git a/.github/workflows/update-cidrs.yaml b/.github/workflows/update-cidrs.yaml
index a3cced66..8320775b 100644
--- a/.github/workflows/update-cidrs.yaml
+++ b/.github/workflows/update-cidrs.yaml
@@ -14,13 +14,13 @@ jobs:
     name: Update automatically generated files
     runs-on: ubuntu-latest
     steps:
-      - uses: mongodb-js/devtools-shared/actions/setup-bot-token@main
+      - uses: mongodb-js/devtools-shared/actions/setup-bot-token@main # main
         id: app-token
         with:
           app-id: ${{ vars.DEVTOOLS_BOT_APP_ID }}
           private-key: ${{ secrets.DEVTOOLS_BOT_PRIVATE_KEY }}
 
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
         with:
           # don't checkout a detatched HEAD
           ref: ${{ github.head_ref }}
@@ -28,7 +28,7 @@ jobs:
           submodules: recursive
 
       - name: Setup Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6
         with:
           node-version: 22.21.1
           cache: "npm"