diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bf3d5539..dc4f92c4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,10 +10,10 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
-          python-version: "3.13"
+          python-version: "3.14"
       - run: pip install pre-commit
       # mypy runs separately in typecheck job with full project deps
       - run: SKIP=mypy pre-commit run --all-files
@@ -21,10 +21,10 @@ jobs:
   typecheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
-          python-version: "3.13"
+          python-version: "3.14"
       - run: pip install mypy types-redis
       - run: pip install -e ".[mq]"
       - run: mypy turnstone/
@@ -35,13 +35,13 @@ jobs:
       matrix:
         python-version: ["3.11", "3.12", "3.13"]
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
           python-version: ${{ matrix.python-version }}
       - run: pip install -e ".[test,mq]"
       - run: pytest tests/ -m "not live" --cov=turnstone --cov-report=term-missing --cov-report=xml -q
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
         if: always()
         with:
           name: coverage-${{ matrix.python-version }}
@@ -50,8 +50,8 @@ jobs:
   lock-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: astral-sh/setup-uv@v5
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: astral-sh/setup-uv@d4b2f3b6ecc6e67c4457f6d3e41ec42d3d0fcb86 # v5
         with:
           uv-version: "0.9.18"
       - run: uv lock --check
@@ -59,13 +59,13 @@ jobs:
   security:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: astral-sh/setup-uv@v5
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: astral-sh/setup-uv@d4b2f3b6ecc6e67c4457f6d3e41ec42d3d0fcb86 # v5
         with:
           uv-version: "0.9.18"
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
-          python-version: "3.13"
+          python-version: "3.14"
       - run: uv sync --frozen --all-extras
       - run: uv pip install pip-audit
       - run: uv run pip-audit --strict --desc
@@ -76,8 +76,8 @@ jobs:
       run:
         working-directory: sdk/typescript
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
         with:
           node-version: "22"
       - run: npm ci
diff --git a/.github/workflows/docker-scan.yml b/.github/workflows/docker-scan.yml
index b77a68c4..95e50140 100644
--- a/.github/workflows/docker-scan.yml
+++ b/.github/workflows/docker-scan.yml
@@ -13,9 +13,9 @@ jobs:
   scan:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
       - run: docker build -t turnstone:scan .
-      - uses: aquasecurity/trivy-action@0.30.0
+      - uses: aquasecurity/trivy-action@57a97c7e7821a5776cebc9bb87c984fa69cba8f1 # 0.35.0
         with:
           image-ref: "turnstone:scan"
           severity: "HIGH,CRITICAL"
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 2a96f65b..9a1a94cf 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -13,16 +13,16 @@ jobs:
     runs-on: ubuntu-latest
     environment: pypi
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5
         with:
-          python-version: "3.13"
+          python-version: "3.14"
       - run: pip install build
       - run: python -m build
       - uses: pypa/gh-action-pypi-publish@release/v1
 
       - name: Create GitHub Release
-        uses: softprops/action-gh-release@v2
+        uses: softprops/action-gh-release@b25b93d384199fc0fc8c2e126b2d937a0cbeb2ae # v2
         with:
           generate_release_notes: true
           draft: false