diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index bb8c00a120..9959ac87b6 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -33,7 +33,7 @@ jobs:
     name: Nix - Linux static
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
@@ -42,7 +42,7 @@ jobs:
       - name: Build static executable
         run: nix-build -A postgrestStatic
       - name: Save built executable as artifact
-        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4
+        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
         with:
           name: postgrest-linux-static-x64
           path: result/bin/postgrest
@@ -51,7 +51,7 @@ jobs:
       - name: Build Docker image
         run: nix-build -A docker.image --out-link postgrest-docker.tar.gz
       - name: Save built Docker image as artifact
-        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4
+        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
         with:
           name: postgrest-docker-x64
           path: postgrest-docker.tar.gz
@@ -62,7 +62,7 @@ jobs:
     name: Nix - MacOS
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
@@ -113,9 +113,9 @@ jobs:
     name: Stack - ${{ matrix.name }}
     runs-on: ${{ matrix.runs-on }}
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Stack working files cache
-        uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 # v4
+        uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 # v4.0.1.0.1
         with:
           path: ${{ matrix.cache }}
           key: stack-${{ runner.os }}-${{ hashFiles('stack.yaml.lock') }}
@@ -130,7 +130,7 @@ jobs:
         run: strip result/postgrest*
       - name: Save built executable as artifact
         if: matrix.artifact
-        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4
+        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
         with:
           name: ${{ matrix.artifact }}
           path: |
@@ -143,7 +143,7 @@ jobs:
     name: Stack - FreeBSD from CirrusCI
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Get FreeBSD executable from CirrusCI
         env:
           # GITHUB_SHA does weird things for pull request, so we roll our own:
@@ -151,7 +151,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: .github/get_cirrusci_freebsd
       - name: Save executable as artifact
-        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4
+        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
         with:
           name: postgrest-freebsd-x64
           path: postgrest
@@ -166,7 +166,7 @@ jobs:
     name: Cabal - Linux GHC ${{ matrix.ghc }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: ghcup
         run: |
           # GHC 9.8.2 is not available in regular release channel, yet.
@@ -177,7 +177,7 @@ jobs:
         run: |
           mkdir ~/.cabal
       - name: Cache
-        uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 # v4
+        uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 # v4.0.1.0.1
         with:
           path: |
             ~/.cabal/packages
diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml
index 1f512a3a28..995f3306be 100644
--- a/.github/workflows/check.yaml
+++ b/.github/workflows/check.yaml
@@ -20,7 +20,7 @@ jobs:
     name: Lint & Style
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e478a9ec50..dcb001275d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -53,7 +53,7 @@ jobs:
       GITHUB_COMMIT: ${{ github.sha }}
       GHC_VERSION: '9.4.8'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - id: Remote-Dir
         name: Unique directory name for the remote build
         run: echo "remotepath=postgrest-build-$(uuidgen)" >> "$GITHUB_OUTPUT"
@@ -105,7 +105,7 @@ jobs:
       - name: Extract downloaded binaries
         run: tar -xvf result.tar.xz && rm result.tar.xz
       - name: Save aarch64 executable as artifact
-        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4
+        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
         with:
           name: postgrest-ubuntu-aarch64
           path: result/postgrest
@@ -127,7 +127,7 @@ jobs:
       version: ${{ steps.Identify-Version.outputs.version }}
       isprerelease: ${{ steps.Identify-Version.outputs.isprerelease }}
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - id: Identify-Version
         name: Identify the version to be released
         run: |
@@ -164,7 +164,7 @@ jobs:
           echo "Relevant extract from CHANGELOG.md:"
           cat CHANGES.md
       - name: Save CHANGES.md as artifact
-        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4
+        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
         with:
           name: release-changes
           path: CHANGES.md
@@ -180,9 +180,9 @@ jobs:
     env:
       VERSION: ${{ needs.prepare.outputs.version }}
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Download all artifacts
-        uses: actions/download-artifact@87c55149d96e628cc2ef7e6fc2aab372015aec85 # v4
+        uses: actions/download-artifact@87c55149d96e628cc2ef7e6fc2aab372015aec85 # v4.1.3
         with:
           path: artifacts
       - name: Create release bundle with archives for all builds
@@ -207,7 +207,7 @@ jobs:
             artifacts/postgrest-windows-x64/postgrest.exe
 
       - name: Save release bundle
-        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4
+        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
         with:
           name: release-bundle
           path: release-bundle
@@ -240,14 +240,14 @@ jobs:
       VERSION: ${{ needs.prepare.outputs.version }}
       ISPRERELEASE: ${{ needs.prepare.outputs.isprerelease }}
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
           tools: release.dockerHubDescription.bin
       - name: Download Docker image
-        uses: actions/download-artifact@87c55149d96e628cc2ef7e6fc2aab372015aec85 # v4
+        uses: actions/download-artifact@87c55149d96e628cc2ef7e6fc2aab372015aec85 # v4.1.3
         with:
           name: postgrest-docker-x64
       - name: Publish images on Docker Hub
@@ -295,7 +295,7 @@ jobs:
       VERSION: ${{ needs.prepare.outputs.version }}
       ISPRERELEASE: ${{ needs.prepare.outputs.isprerelease }}
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Publish images for ARM builds on Docker Hub
         uses: appleboy/ssh-action@master
         env:
@@ -320,7 +320,7 @@ jobs:
     env:
       REMOTE_DIR: ${{ needs.arm.outputs.remotepath }}
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Remove uploaded files from server
         uses: appleboy/ssh-action@master
         with:
diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index a4eab318af..c3f50fd5f2 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -27,7 +27,7 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
     - name: Setup Nix Environment
       uses: ./.github/actions/setup-nix
       with:
@@ -41,7 +41,7 @@ jobs:
     name: Spellcheck
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
     - name: Setup Nix Environment
       uses: ./.github/actions/setup-nix
       with:
@@ -58,7 +58,7 @@ jobs:
     if: github.base_ref == 'main'
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
     - name: Setup Nix Environment
       uses: ./.github/actions/setup-nix
       with:
diff --git a/.github/workflows/report.yaml b/.github/workflows/report.yaml
index 546ca726c9..676a93a002 100644
--- a/.github/workflows/report.yaml
+++ b/.github/workflows/report.yaml
@@ -19,7 +19,7 @@ jobs:
     if: github.event.workflow_run.conclusion == 'success' || github.event.workflow_run.conclusion == 'failure'
     steps:
       - name: Download from Artifacts
-        uses: actions/download-artifact@87c55149d96e628cc2ef7e6fc2aab372015aec85 # v4
+        uses: actions/download-artifact@87c55149d96e628cc2ef7e6fc2aab372015aec85 # v4.1.3
         with:
           github-token: ${{ github.token }}
           run-id: ${{ github.event.workflow_run.id }}
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 30d7b08ad5..3030d09e5c 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -39,7 +39,7 @@ jobs:
         # https://github.com/actions/runner/issues/241#issuecomment-842566950
         shell: script -qec "bash --noprofile --norc -eo pipefail {0}"
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
@@ -76,7 +76,7 @@ jobs:
         # https://github.com/actions/runner/issues/241#issuecomment-842566950
         shell: script -qec "bash --noprofile --norc -eo pipefail {0}"
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
@@ -96,7 +96,7 @@ jobs:
     name: Memory
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
@@ -110,7 +110,7 @@ jobs:
     name: Loadtest
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
         with:
           fetch-depth: 0
       - name: Setup Nix Environment
@@ -127,7 +127,7 @@ jobs:
           postgrest-loadtest-against main ${{ steps.get-latest-tag.outputs.tag }}
           postgrest-loadtest-report > loadtest/loadtest.md
       - name: Upload report
-        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4
+        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
         with:
           name: loadtest.md
           path: loadtest/loadtest.md