diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 608805f..e4a8eda 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,6 +10,9 @@ jobs:
       - name: "Git Clone"
         run: git clone https://git.kb-one.de/kb01/aux-config .
 
+      - name: "Nix Flake Update"
+        run: nix flake update --experimental-features 'nix-command flakes'
+
       - name: "Check evaluation"
         run: nix flake check --no-build --all-systems --experimental-features 'nix-command flakes'