diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index f2f4e402..1da85124 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -14,7 +14,7 @@ jobs:
         os: [ ubuntu-20.04, ubuntu-22.04, macos-11, macos-12 ]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: cachix/install-nix-action@v30
       - uses: cachix/cachix-action@v15
         with:
@@ -31,7 +31,7 @@ jobs:
         os: [ ubuntu-20.04, ubuntu-22.04, macos-11, macos-12 ]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           # Nix Flakes doesn't work on shallow clones
           fetch-depth: 0
@@ -58,7 +58,7 @@ jobs:
         os: [ ubuntu-20.04 ]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: cachix/install-nix-action@v30
       - uses: cachix/cachix-action@v15
         with: