diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index f89237b..c1b8157 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -6,12 +6,10 @@ jobs:
   build:
     strategy:
       matrix:
-        os:
-          - ubuntu-20.04
         target-system:
           - ymir
           - tartarus
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v2
       - uses: cachix/install-nix-action@v16
@@ -24,7 +22,7 @@ jobs:
         # Pre-build the system configuration
       - run: nix build --accept-flake-config --dry-run .#nixosConfigurations.${{ matrix.target-system }}.config.system.build.toplevel
   check-formatting:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v2
       - uses: cachix/install-nix-action@v16