diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2c0db60..ccfac76 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,6 +5,7 @@ before_script:
   - nix-daemon &
 
 nix-flake-check:
+  timeout: 1h
   stage: test
   script:
     - nix flake check