diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index da6a77d..5f42c6c 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -10,7 +10,7 @@ jobs:
 
   build:
 
-    runs-on: ubuntu:20.04
+    runs-on: ubuntu-20.04
 
     steps:
     - uses: actions/checkout@v3