diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b0ae2a0..844a3da 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,6 +6,7 @@ on:
 
 jobs:
   linux:
+    runs-on: ubuntu-latest
     runs:
       using: 'docker'
       image: 'Dockerfile'