diff --git a/.github/workflows/flake-check.yml b/.github/workflows/flake-check.yml
index 839ad02..7be0906 100644
--- a/.github/workflows/flake-check.yml
+++ b/.github/workflows/flake-check.yml
@@ -11,7 +11,7 @@ jobs:
     outputs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3
         with:
           # Nix Flakes doesn't work on shallow clones
           fetch-depth: 0
@@ -31,7 +31,7 @@ jobs:
     strategy:
       matrix: ${{fromJSON(needs.flake-checks.outputs.matrix)}}
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v3
         with:
           # Nix Flakes doesn't work on shallow clones
           fetch-depth: 0
diff --git a/.github/workflows/test-develop-classic.yml b/.github/workflows/test-develop-classic.yml
index 0455e30..226afe6 100644
--- a/.github/workflows/test-develop-classic.yml
+++ b/.github/workflows/test-develop-classic.yml
@@ -11,7 +11,7 @@ jobs:
         os: [ ubuntu-latest, macos-latest ]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: cachix/install-nix-action@v16
       with:
         nix_path: nixpkgs=channel:nixos-unstable
diff --git a/.github/workflows/test-develop-flakes.yml b/.github/workflows/test-develop-flakes.yml
index b4c0afa..86a82e9 100644
--- a/.github/workflows/test-develop-flakes.yml
+++ b/.github/workflows/test-develop-flakes.yml
@@ -11,7 +11,7 @@ jobs:
         os: [ ubuntu-latest, macos-latest ]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
           # Nix Flakes doesn't work on shallow clones
           fetch-depth: 0
diff --git a/.github/workflows/update-flake-lock.yml b/.github/workflows/update-flake-lock.yml
index 4f09778..c64294c 100644
--- a/.github/workflows/update-flake-lock.yml
+++ b/.github/workflows/update-flake-lock.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Install Nix
         uses: cachix/install-nix-action@v16
         # with: