diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4a75242..1f9facf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
       NIX_PATH: "nixpkgs=https://github.com/NixOS/nixpkgs/archive/nixos-unstable.tar.gz"
     steps:
     - uses: cachix/install-nix-action@v17
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Check format
       run: nix-shell --run 'nixpkgs-fmt --check .'
 
@@ -25,7 +25,7 @@ jobs:
       NIX_PATH: "nixpkgs=https://github.com/NixOS/nixpkgs/archive/nixos-unstable.tar.gz"
     steps:
     - uses: cachix/install-nix-action@v17
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Check format
       run: nix-shell --run 'golangci-lint run'
 
@@ -35,7 +35,7 @@ jobs:
       NIX_PATH: "nixpkgs=https://github.com/NixOS/nixpkgs/archive/nixos-unstable.tar.gz"
     steps:
     - uses: cachix/install-nix-action@v17
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: "Build gomod2nix"
       run: nix-shell --run "go build"
     - name: Run gomod2nix
@@ -48,7 +48,7 @@ jobs:
     outputs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v17
         with:
           nix_path: nixpkgs=channel:nixos-unstable
@@ -64,7 +64,7 @@ jobs:
     strategy:
       matrix: ${{fromJSON(needs.list-jobs.outputs.matrix)}}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v17
         with:
           nix_path: nixpkgs=channel:nixos-unstable