diff --git a/.github/workflows/stage0.yml b/.github/workflows/stage0.yml
index 42f338a7..4bc7a10f 100644
--- a/.github/workflows/stage0.yml
+++ b/.github/workflows/stage0.yml
@@ -14,7 +14,7 @@ jobs:
   example_matrix:
     strategy:
       matrix:
-        os: [oraclelinux:9, oraclelinux:8, rockylinux:8]
+        os: [oraclelinux-9, oraclelinux-8, rockylinux-8]
     steps:
       - uses: actions/setup-node@v3
         with: