diff --git a/.github/workflows/add-to-project.yml b/.github/workflows/add-to-project.yml
index dccea83f35..0308d7a07f 100644
--- a/.github/workflows/add-to-project.yml
+++ b/.github/workflows/add-to-project.yml
@@ -12,7 +12,7 @@ jobs:
     name: Add to project
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/add-to-project@v1.0.2
+      - uses: actions/add-to-project@244f685bbc3b7adfa8466e08b698b5577571133e # v1.0.2
         with:
           project-url: https://github.com/orgs/fastapi/projects/2
           github-token: ${{ secrets.PROJECTS_TOKEN }}
diff --git a/.github/workflows/deploy-production.yml b/.github/workflows/deploy-production.yml
index fd1190070e..76965a4c45 100644
--- a/.github/workflows/deploy-production.yml
+++ b/.github/workflows/deploy-production.yml
@@ -27,6 +27,6 @@ jobs:
       SENTRY_DSN: ${{ secrets.SENTRY_DSN }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - run: docker compose -f compose.yml --project-name ${{ secrets.STACK_NAME_PRODUCTION }} build
       - run: docker compose -f compose.yml --project-name ${{ secrets.STACK_NAME_PRODUCTION }} up -d
diff --git a/.github/workflows/deploy-staging.yml b/.github/workflows/deploy-staging.yml
index 7968f950e7..30e3c1bda0 100644
--- a/.github/workflows/deploy-staging.yml
+++ b/.github/workflows/deploy-staging.yml
@@ -27,6 +27,6 @@ jobs:
       SENTRY_DSN: ${{ secrets.SENTRY_DSN }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - run: docker compose -f compose.yml --project-name ${{ secrets.STACK_NAME_STAGING }} build
       - run: docker compose -f compose.yml --project-name ${{ secrets.STACK_NAME_STAGING }} up -d
diff --git a/.github/workflows/detect-conflicts.yml b/.github/workflows/detect-conflicts.yml
index aba329db85..3ac6f65e2f 100644
--- a/.github/workflows/detect-conflicts.yml
+++ b/.github/workflows/detect-conflicts.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check if PRs have merge conflicts
-        uses: eps1lon/actions-label-merge-conflict@v3
+        uses: eps1lon/actions-label-merge-conflict@1df065ebe6e3310545d4f4c4e862e43bdca146f0 # v3.0.3
         with:
           dirtyLabel: "conflicts"
           repoToken: "${{ secrets.GITHUB_TOKEN }}"
diff --git a/.github/workflows/issue-manager.yml b/.github/workflows/issue-manager.yml
index 425c926634..99a87eddfb 100644
--- a/.github/workflows/issue-manager.yml
+++ b/.github/workflows/issue-manager.yml
@@ -27,7 +27,7 @@ jobs:
         env:
           GITHUB_CONTEXT: ${{ toJson(github) }}
         run: echo "$GITHUB_CONTEXT"
-      - uses: tiangolo/issue-manager@0.6.0
+      - uses: tiangolo/issue-manager@2fb3484ec9279485df8659e8ec73de262431737d # 0.6.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           config: >
diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
index 7aeb448e6f..6ba567399b 100644
--- a/.github/workflows/labeler.yml
+++ b/.github/workflows/labeler.yml
@@ -16,7 +16,7 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/labeler@v6
+    - uses: actions/labeler@634933edcd8ababfe52f92936142cc22ac488b1b # v6.0.1
       if: ${{ github.event.action != 'labeled' && github.event.action != 'unlabeled' }}
     - run: echo "Done adding labels"
   # Run this after labeler applied labels
@@ -27,7 +27,7 @@ jobs:
       pull-requests: read
     runs-on: ubuntu-latest
     steps:
-      - uses: docker://agilepathway/pull-request-label-checker:latest
+      - uses: agilepathway/label-checker@c3d16ad512e7cea5961df85ff2486bb774caf3c5 # v1.6.65
         with:
           one_of: breaking,security,feature,bug,refactor,upgrade,docs,lang-all,internal
           repo_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/latest-changes.yml b/.github/workflows/latest-changes.yml
index 1f6cde6deb..5424ca228c 100644
--- a/.github/workflows/latest-changes.yml
+++ b/.github/workflows/latest-changes.yml
@@ -26,11 +26,11 @@ jobs:
         env:
           GITHUB_CONTEXT: ${{ toJson(github) }}
         run: echo "$GITHUB_CONTEXT"
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           # To allow latest-changes to commit to the main branch
           token: ${{ secrets.LATEST_CHANGES }}
-      - uses: tiangolo/latest-changes@0.4.1
+      - uses: tiangolo/latest-changes@c9d329cb147f0ddf4fb631214e3f838ff17ccbbd # 0.4.1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           latest_changes_file: ./release-notes.md
diff --git a/.github/workflows/playwright.yml b/.github/workflows/playwright.yml
index d4c6247269..639ac9fc47 100644
--- a/.github/workflows/playwright.yml
+++ b/.github/workflows/playwright.yml
@@ -22,9 +22,9 @@ jobs:
     outputs:
       changed: ${{ steps.filter.outputs.changed }}
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
     # For pull requests it's not necessary to checkout the code but for the main branch it is
-    - uses: dorny/paths-filter@v4
+    - uses: dorny/paths-filter@fbd0ab8f3e69293af611ebaee6363fc25e6d187d # v4.0.1
       id: filter
       with:
         filters: |
@@ -47,18 +47,18 @@ jobs:
         shardTotal: [4]
       fail-fast: false
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
     - uses: oven-sh/setup-bun@v2
-    - uses: actions/setup-python@v6
+    - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
       with:
         python-version: '3.10'
     - name: Setup tmate session
-      uses: mxschmitt/action-tmate@v3
+      uses: mxschmitt/action-tmate@c0afd6f790e3a5564914980036ebf83216678101 # v3.23
       if: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.debug_enabled == 'true' }}
       with:
         limit-access-to-actor: true
     - name: Install uv
-      uses: astral-sh/setup-uv@v7
+      uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7.6.0
     - run: uv sync
       working-directory: backend
     - run: bun ci
@@ -71,7 +71,7 @@ jobs:
     - run: docker compose down -v --remove-orphans
     - name: Upload blob report to GitHub Actions Artifacts
       if: ${{ !cancelled() }}
-      uses: actions/upload-artifact@v7
+      uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
       with:
         name: blob-report-${{ matrix.shardIndex }}
         path: frontend/blob-report
@@ -86,12 +86,12 @@ jobs:
     if: ${{ !cancelled() && needs.changes.outputs.changed == 'true' }}
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
     - uses: oven-sh/setup-bun@v2
     - name: Install dependencies
       run: bun ci
     - name: Download blob reports from GitHub Actions Artifacts
-      uses: actions/download-artifact@v8
+      uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
       with:
         path: frontend/all-blob-reports
         pattern: blob-report-*
@@ -100,7 +100,7 @@ jobs:
       run: bunx playwright merge-reports --reporter html ./all-blob-reports
       working-directory: frontend
     - name: Upload HTML report
-      uses: actions/upload-artifact@v7
+      uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
       with:
         name: html-report--attempt-${{ github.run_attempt }}
         path: frontend/playwright-report
@@ -115,7 +115,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Decide whether the needed jobs succeeded or failed
-        uses: re-actors/alls-green@release/v1
+        uses: re-actors/alls-green@05ac9388f0aebcb5727afa17fcccfecd6f8ec5fe # v1.2.2
         with:
           jobs: ${{ toJSON(needs) }}
           allowed-skips: test-playwright
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index b609751643..d3bb89e3ba 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -18,7 +18,7 @@ jobs:
         env:
           GITHUB_CONTEXT: ${{ toJson(github) }}
         run: echo "$GITHUB_CONTEXT"
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         name: Checkout PR for own repo
         if: env.HAS_SECRETS == 'true'
         with:
@@ -30,7 +30,7 @@ jobs:
           # A token other than the default GITHUB_TOKEN is needed to be able to trigger CI
           token: ${{ secrets.PRE_COMMIT }}
       # pre-commit lite ci needs the default checkout configs to work
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         name: Checkout PR for fork
         if: env.HAS_SECRETS == 'false'
         with:
@@ -39,11 +39,11 @@ jobs:
           fetch-depth: 0
       - uses: oven-sh/setup-bun@v2
       - name: Set up Python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
           python-version: "3.11"
       - name: Setup uv
-        uses: astral-sh/setup-uv@v7
+        uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7.6.0
         with:
           cache-dependency-glob: |
             requirements**.txt
@@ -69,7 +69,7 @@ jobs:
             git commit -m "🎨 Auto format and update with pre-commit"
             git push
           fi
-      - uses: pre-commit-ci/lite-action@v1.1.0
+      - uses: pre-commit-ci/lite-action@5d6cc0eb514c891a40562a58a8e71576c5c7fb43 # v1.1.0
         if: env.HAS_SECRETS == 'false'
         with:
           msg: 🎨 Auto format and update with pre-commit
@@ -89,6 +89,6 @@ jobs:
           GITHUB_CONTEXT: ${{ toJson(github) }}
         run: echo "$GITHUB_CONTEXT"
       - name: Decide whether the needed jobs succeeded or failed
-        uses: re-actors/alls-green@release/v1
+        uses: re-actors/alls-green@05ac9388f0aebcb5727afa17fcccfecd6f8ec5fe # v1.2.2
         with:
           jobs: ${{ toJSON(needs) }}
diff --git a/.github/workflows/smokeshow.yml b/.github/workflows/smokeshow.yml
index 353a010f22..c9b4da97fd 100644
--- a/.github/workflows/smokeshow.yml
+++ b/.github/workflows/smokeshow.yml
@@ -13,12 +13,12 @@ jobs:
       statuses: write
 
     steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-python@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
           python-version: "3.13"
       - run: pip install smokeshow
-      - uses: actions/download-artifact@v8
+      - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with:
           name: coverage-html
           path: backend/htmlcov
diff --git a/.github/workflows/test-backend.yml b/.github/workflows/test-backend.yml
index 1517812049..9558ab72d3 100644
--- a/.github/workflows/test-backend.yml
+++ b/.github/workflows/test-backend.yml
@@ -14,13 +14,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Set up Python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
         with:
           python-version: "3.10"
       - name: Install uv
-        uses: astral-sh/setup-uv@v7
+        uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7.6.0
       - run: docker compose down -v --remove-orphans
       - run: docker compose up -d db mailcatcher
       - name: Migrate DB
@@ -31,7 +31,7 @@ jobs:
         working-directory: backend
       - run: docker compose down -v --remove-orphans
       - name: Store coverage files
-        uses: actions/upload-artifact@v7
+        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
         with:
           name: coverage-html
           path: backend/htmlcov
diff --git a/.github/workflows/test-docker-compose.yml b/.github/workflows/test-docker-compose.yml
index 8054e5eafd..add87212c6 100644
--- a/.github/workflows/test-docker-compose.yml
+++ b/.github/workflows/test-docker-compose.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - run: docker compose build
       - run: docker compose down -v --remove-orphans
       - run: docker compose up -d --wait backend frontend adminer