diff --git a/.github/workflows/auto-merge-sync.yml b/.github/workflows/auto-merge-sync.yml
index 8a1c6c0a1..423941d31 100644
--- a/.github/workflows/auto-merge-sync.yml
+++ b/.github/workflows/auto-merge-sync.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Wait for all required checks to pass
-        uses: lewagon/wait-on-check-action@v1.4.1
+        uses: lewagon/wait-on-check-action@3603e826ee561ea102b58accb5ea55a1a7482343 # v1.4.1
         with:
           ref: ${{ github.event.pull_request.head.sha }}
           repo-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/auto-release.yml b/.github/workflows/auto-release.yml
index 8f89f1efd..ec2245387 100644
--- a/.github/workflows/auto-release.yml
+++ b/.github/workflows/auto-release.yml
@@ -16,9 +16,10 @@ jobs:
       new_version: ${{ steps.check.outputs.new_version }}
       previous_version: ${{ steps.check.outputs.previous_version }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
         with:
           fetch-depth: 2
+          persist-credentials: false
       - name: Check if version changed
         id: check
         run: |
@@ -51,9 +52,10 @@ jobs:
       contents: write
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
         with:
           fetch-depth: 0
+          persist-credentials: false
       - name: Generate release notes
         id: release_notes
         run: |
@@ -84,7 +86,7 @@ jobs:
           echo "Release notes generated"
           cat release_notes.md
       - name: Create GitHub Release
-        uses: softprops/action-gh-release@v2
+        uses: softprops/action-gh-release@153bb8e04406b158c6c84fc1615b65b24149a1fe # v2
         with:
           tag_name: v${{ needs.check-version-change.outputs.new_version }}
           name: Release v${{ needs.check-version-change.outputs.new_version }}
diff --git a/.github/workflows/build-docker-image.yml b/.github/workflows/build-docker-image.yml
index 351c6e4fe..33ceb2441 100644
--- a/.github/workflows/build-docker-image.yml
+++ b/.github/workflows/build-docker-image.yml
@@ -22,28 +22,30 @@ jobs:
     needs: [run-ci]
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        with:
+          persist-credentials: false
       - name: Configure AWS credentials
-        uses: aws-actions/configure-aws-credentials@v4
+        uses: aws-actions/configure-aws-credentials@7474bc4690e29a8392af63c5b98e7449536d5c3a # v4
         with:
           aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           aws-region: ${{ env.AWS_REGION }}
       - name: Login to Amazon ECR Public
         id: login-ecr-public
-        uses: aws-actions/amazon-ecr-login@v2
+        uses: aws-actions/amazon-ecr-login@183a1442edf41672e66566b7fc560e297a290896 # v2
         with:
           registry-type: public
       - name: Login to Docker Hub
-        uses: docker/login-action@v3
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3
         with:
           username: ${{ env.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
       - name: Build, tag, and push backend image to Amazon Public ECR and Docker Hub
         id: build-image
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6
         env:
           ECR_REGISTRY: ${{ steps.login-ecr-public.outputs.registry }}
         with:
@@ -63,7 +65,7 @@ jobs:
             ${{ env.DOCKERHUB_USERNAME }}/${{ env.ECR_BACKEND_REPOSITORY }}:latest
       - name: Build, tag, and push ui image to Amazon Public ECR and Docker Hub
         id: build-ui-image
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6
         env:
           ECR_REGISTRY: ${{ steps.login-ecr-public.outputs.registry }}
         with:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5c5179f4f..81d4d313e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,10 +29,12 @@ jobs:
           # Maps tcp port 5432 on service container to the host
           - 5432:5432
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
+        with:
+          persist-credentials: false
       # If you wanted to use multiple Python versions, you'd have specify a matrix in the job and
       # reference the matrixe python version here.
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
         with:
           python-version: "3.11"
       # Install uv (fast, single-file binary)
@@ -42,14 +44,14 @@ jobs:
           echo "$HOME/.local/bin" >> $GITHUB_PATH
       # Cache uv's download/resolve cache to speed up CI (optional but nice)
       - name: Cache uv global cache
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: ~/.cache/uv
           key: uv-cache-${{ runner.os }}-${{ hashFiles('**/pyproject.toml', '**/uv.lock') }}
       # Cache the project virtualenv (keyed by Python version + lockfile)
       - name: Cache venv
         id: cache-venv
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: .venv
           key: venv-${{ runner.os }}-py${{ steps.setup-python.outputs.python-version || '3.11' }}-${{ hashFiles('**/uv.lock') }}
@@ -65,7 +67,7 @@ jobs:
         run: |
           uv sync --group dev
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version-file: .nvmrc
           cache: npm
@@ -113,9 +115,11 @@ jobs:
         working-directory: ./skyvern-frontend
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        with:
+          persist-credentials: false
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version-file: .nvmrc
       - name: Install Node.js dependencies
diff --git a/.github/workflows/claude-code-review.yml b/.github/workflows/claude-code-review.yml
index 42ed76a6d..ef4b7ce80 100644
--- a/.github/workflows/claude-code-review.yml
+++ b/.github/workflows/claude-code-review.yml
@@ -18,12 +18,13 @@ jobs:
       id-token: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
         with:
           fetch-depth: 1
+          persist-credentials: false
       - name: Run Claude Code Review
         id: claude-review
-        uses: anthropics/claude-code-action@v1
+        uses: anthropics/claude-code-action@0ee1beea589a67d33340072691a5d42abec7ae6b # v1
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           plugin_marketplaces: 'https://github.com/anthropics/claude-code.git'
diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index f97d6f820..7db32a7b1 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -32,12 +32,13 @@ jobs:
       actions: read # Required for Claude to read CI results on PRs
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
         with:
           fetch-depth: 1
+          persist-credentials: false
       - name: Run Claude Code
         id: claude
-        uses: anthropics/claude-code-action@v1
+        uses: anthropics/claude-code-action@0ee1beea589a67d33340072691a5d42abec7ae6b # v1
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           # This is an optional setting that allows Claude to read CI results on PRs
diff --git a/.github/workflows/inactive-issues-and-prs.yml b/.github/workflows/inactive-issues-and-prs.yml
index 1951b1d18..7514e8754 100644
--- a/.github/workflows/inactive-issues-and-prs.yml
+++ b/.github/workflows/inactive-issues-and-prs.yml
@@ -8,7 +8,7 @@ jobs:
       issues: write
       pull-requests: write
     steps:
-      - uses: actions/stale@v5
+      - uses: actions/stale@f7176fd3007623b69d27091f9b9d4ab7995f0a06 # v5
         with:
           days-before-issue-stale: 30
           days-before-issue-close: 14
diff --git a/.github/workflows/preview-fern-docs b/.github/workflows/preview-fern-docs
index 3dcc00d67..fd98e22f8 100644
--- a/.github/workflows/preview-fern-docs
+++ b/.github/workflows/preview-fern-docs
@@ -9,7 +9,9 @@ jobs:
         permissions: write-all
         steps:
             - name: Checkout repository
-              uses: actions/checkout@v4
+              uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+              with:
+                  persist-credentials: false
 
             - name: Install Fern
               run: npm install -g fern-api
@@ -26,6 +28,6 @@ jobs:
                   echo "🌿 Preview your docs: $URL" > preview_url.txt
 
             - name: Comment URL in PR
-              uses: thollander/actions-comment-pull-request@v2.4.3
+              uses: thollander/actions-comment-pull-request@1d3973dc4b8e1399c0620d3f2b1aa5e795465308 # v2.4.3
               with:
                   filePath: preview_url.txt
diff --git a/.github/workflows/publish-fern-docs.yml b/.github/workflows/publish-fern-docs.yml
index 2ede16a36..0b24aeb07 100644
--- a/.github/workflows/publish-fern-docs.yml
+++ b/.github/workflows/publish-fern-docs.yml
@@ -9,7 +9,9 @@ jobs:
     if: ${{ github.event_name == 'push' }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        with:
+          persist-credentials: false
       - name: Install Fern
         run: npm install -g fern-api
       - name: Publish Docs
diff --git a/.github/workflows/sdk-release.yml b/.github/workflows/sdk-release.yml
index 726566094..02c140250 100644
--- a/.github/workflows/sdk-release.yml
+++ b/.github/workflows/sdk-release.yml
@@ -12,9 +12,10 @@ jobs:
     outputs:
       version_changed: ${{ steps.check.outputs.version_changed }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
         with:
           fetch-depth: 2
+          persist-credentials: false
       - name: Check if version changed
         id: check
         run: |
@@ -42,12 +43,14 @@ jobs:
     if: needs.check-version-change.outputs.version_changed == 'true'
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        with:
+          persist-credentials: false
       # If you wanted to use multiple Python versions, you'd have specify a matrix in the job and
       # reference the matrixe python version here.
       - name: Setup Python
         id: setup-python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6
         with:
           python-version: "3.11"
       # Cache the installation of `uv` itself, e.g. the next step. This prevents the workflow
@@ -58,14 +61,14 @@ jobs:
           echo "$HOME/.local/bin" >> $GITHUB_PATH
       # Cache uv's global cache (resolver/downloads) for speed
       - name: Cache uv cache
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: ~/.cache/uv
           key: uv-cache-${{ runner.os }}-${{ hashFiles('**/pyproject.toml', '**/uv.lock') }}
       # Cache the project venv (keyed by lockfile + Python)
       - name: Cache venv
         id: cache-venv
-        uses: actions/cache@v4
+        uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
         with:
           path: .venv
           key: venv-${{ runner.os }}-py${{ steps.setup-python.outputs.python-version || '3.11' }}-${{ hashFiles('**/uv.lock') }}
diff --git a/.github/workflows/sync-skyvern-cloud.yml b/.github/workflows/sync-skyvern-cloud.yml
index ff0c49ea5..9ae355b01 100644
--- a/.github/workflows/sync-skyvern-cloud.yml
+++ b/.github/workflows/sync-skyvern-cloud.yml
@@ -23,7 +23,9 @@ jobs:
 
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        with:
+          persist-credentials: false
       - name: Determine Git credentials
         id: git-creds
         run: |
@@ -123,7 +125,7 @@ jobs:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Run GitHub File Sync
         id: file-sync
-        uses: Skyvern-AI/repo-file-sync-action@main
+        uses: Skyvern-AI/repo-file-sync-action@590c4ddbe1d7b5c4ca1e4b4edc85c7f919b6c26a # main
         with:
           GH_PAT: ${{ steps.git-creds.outputs.GH_PAT }}
           GIT_EMAIL: ${{ steps.git-creds.outputs.GIT_EMAIL }}
@@ -139,7 +141,7 @@ jobs:
         if: >
           steps.check-migrations.outputs.has_migrations == 'true' && steps.file-sync.outputs.pull_request_urls
 
-        uses: actions/github-script@v6
+        uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # v6
         env:
           PR_URLS_RAW: ${{ steps.file-sync.outputs.pull_request_urls }}
           SOURCE_PR_URL: ${{ steps.pr_details.outputs.PR_URL }}
diff --git a/.github/workflows/ts-sdk-release.yml b/.github/workflows/ts-sdk-release.yml
index 600c3bdbb..1d49ac185 100644
--- a/.github/workflows/ts-sdk-release.yml
+++ b/.github/workflows/ts-sdk-release.yml
@@ -13,9 +13,10 @@ jobs:
       version_changed: ${{ steps.check.outputs.version_changed }}
       current_version: ${{ steps.check.outputs.current_version }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
         with:
           fetch-depth: 2
+          persist-credentials: false
       - name: Check if version changed
         id: check
         run: |
@@ -48,9 +49,11 @@ jobs:
         working-directory: ./skyvern-ts/client
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        with:
+          persist-credentials: false
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: '20'
           registry-url: 'https://registry.npmjs.org'
diff --git a/.github/workflows/update-openapi.yml b/.github/workflows/update-openapi.yml
index a334d4b98..a9d8a5b96 100644
--- a/.github/workflows/update-openapi.yml
+++ b/.github/workflows/update-openapi.yml
@@ -10,11 +10,11 @@ jobs:
       contents: write
       pull-requests: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
         with:
           token: ${{ secrets.SKYVERN_OSS_GITHUB_TOKEN }}
       - name: Update OpenAPI Spec
-        uses: fern-api/sync-openapi@v2
+        uses: fern-api/sync-openapi@8e936a4bac8ad11d698d7114f3074fa3397398ea # v2
         with:
           token: ${{ secrets.SKYVERN_OSS_GITHUB_TOKEN }}
           branch: 'update-openapi-spec'
diff --git a/.github/workflows/version-bump.yml b/.github/workflows/version-bump.yml
index 1db5a5cc9..ee82f9058 100644
--- a/.github/workflows/version-bump.yml
+++ b/.github/workflows/version-bump.yml
@@ -9,7 +9,9 @@ jobs:
       contents: write
       pull-requests: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        with:
+          persist-credentials: false
       - name: Extract version from release
         id: get_version
         run: |
@@ -20,7 +22,7 @@ jobs:
           sed -i "s/version = \".*\"/version = \"${{ steps.get_version.outputs.version }}\"/" pyproject.toml
       - name: Create Pull Request
         id: create-pr
-        uses: peter-evans/create-pull-request@v6
+        uses: peter-evans/create-pull-request@c5a7806660adbe173f04e3e038b0ccdcd758773c # v6
         with:
           commit-message: "chore: bump version to ${{ steps.get_version.outputs.version }}"
           title: "chore: bump version to ${{ steps.get_version.outputs.version }}"
diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
new file mode 100644
index 000000000..14d450607
--- /dev/null
+++ b/.github/workflows/zizmor.yml
@@ -0,0 +1,27 @@
+name: zizmor
+on:
+  push:
+    branches: [main]
+    paths:
+      - '.github/workflows/**'
+  pull_request:
+    branches: [main]
+    paths:
+      - '.github/workflows/**'
+jobs:
+  zizmor:
+    name: Audit GitHub Actions
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      contents: read
+      actions: read
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+        with:
+          persist-credentials: false
+      - name: Run zizmor
+        uses: zizmorcore/zizmor-action@71321a20a9ded102f6e9ce5718a2fcec2c4f70d8 # v0.5.2
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}