diff --git a/.github/workflows/core-build.yml b/.github/workflows/core-build.yml
index b793067..b659600 100644
--- a/.github/workflows/core-build.yml
+++ b/.github/workflows/core-build.yml
@@ -8,8 +8,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        compiler: [clang6, clang9, clang10]
-    runs-on: ubuntu-20.04
+        compiler: [clang]
+    runs-on: ubuntu-latest
     name: ${{ matrix.compiler }}
     env:
       COMPILER: ${{ matrix.compiler }}
@@ -42,4 +42,4 @@ jobs:
       - name: Dry run
         run: source ./apps/ci/ci-worldserver-dry-run.sh
       - name: Check startup errors
-        run: source ./apps/ci/ci-error-check.sh
\ No newline at end of file
+        run: source ./apps/ci/ci-error-check.sh