diff --git a/.github/workflows/cachix.yaml b/.github/workflows/cachix.yaml
index cc51bf3898..071d08ac2e 100644
--- a/.github/workflows/cachix.yaml
+++ b/.github/workflows/cachix.yaml
@@ -28,7 +28,7 @@ jobs:
     name: Seed ${{ matrix.os }}
     runs-on: ${{ matrix.runs-on }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index bbac000db7..03e9bf3329 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -17,7 +17,7 @@ jobs:
     name: Lint & check code style
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
@@ -37,7 +37,7 @@ jobs:
         # https://github.com/actions/runner/issues/241#issuecomment-842566950
         shell: script -qec "bash --noprofile --norc -eo pipefail {0}"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
@@ -72,7 +72,7 @@ jobs:
         # https://github.com/actions/runner/issues/241#issuecomment-842566950
         shell: script -qec "bash --noprofile --norc -eo pipefail {0}"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
@@ -91,7 +91,7 @@ jobs:
     name: Test memory (Nix)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
@@ -104,7 +104,7 @@ jobs:
     name: Build Linux static (Nix)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
@@ -135,7 +135,7 @@ jobs:
     name: Build MacOS (Nix)
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
 
@@ -175,7 +175,7 @@ jobs:
     name: Build ${{ matrix.name }} (Stack)
     runs-on: ${{ matrix.runs-on }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Stack working files cache
         uses: actions/cache@v3
         with:
@@ -199,7 +199,7 @@ jobs:
     name: Get FreeBSD build from CirrusCI
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Get FreeBSD executable from CirrusCI
         env:
           # GITHUB_SHA does weird things for pull request, so we roll our own:
@@ -221,7 +221,7 @@ jobs:
     name: Build Linux (Cabal, GHC ${{ matrix.ghc }})
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Workaround runner image issue
         # https://github.com/actions/runner-images/issues/7061
         run: sudo chown -R "$USER" /usr/local/.ghcup
@@ -260,7 +260,7 @@ jobs:
       GITHUB_COMMIT: ${{ github.sha }}
       GHC_VERSION: ${{ matrix.ghc }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - id: Remote-Dir
         name: Unique directory name for the remote build
         run: echo "remotepath=postgrest-build-$(uuidgen)" >> "$GITHUB_OUTPUT"
@@ -324,7 +324,7 @@ jobs:
       version: ${{ steps.Identify-Version.outputs.version }}
       isprerelease: ${{ steps.Identify-Version.outputs.isprerelease }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - id: Identify-Version
         name: Identify the version to be released
         run: |
@@ -377,7 +377,7 @@ jobs:
     env:
       VERSION: ${{ needs.Prepare-Release.outputs.version }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Download all artifacts
         uses: actions/download-artifact@v3
         with:
@@ -443,7 +443,7 @@ jobs:
       VERSION: ${{ needs.Prepare-Release.outputs.version }}
       ISPRERELEASE: ${{ needs.Prepare-Release.outputs.isprerelease }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Nix Environment
         uses: ./.github/actions/setup-nix
         with:
@@ -496,7 +496,7 @@ jobs:
       VERSION: ${{ needs.Prepare-Release.outputs.version }}
       ISPRERELEASE: ${{ needs.Prepare-Release.outputs.isprerelease }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Publish images for ARM builds on Docker Hub
         uses: appleboy/ssh-action@master
         env:
@@ -523,7 +523,7 @@ jobs:
     env:
       REMOTE_DIR: ${{ needs.Build-Cabal-Arm.outputs.remotepath }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Remove uploaded files from server
         uses: appleboy/ssh-action@master
         with:
diff --git a/.github/workflows/loadtest.yaml b/.github/workflows/loadtest.yaml
index b14f7c11b0..9a2e83aa81 100644
--- a/.github/workflows/loadtest.yaml
+++ b/.github/workflows/loadtest.yaml
@@ -15,7 +15,7 @@ jobs:
     name: Loadtest (Nix)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Setup Nix Environment