diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 172c01d33..0c358b6cc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -160,8 +160,8 @@ jobs:
           path: llama-${{ steps.tag.outputs.name }}-bin-macos-x64.zip
           name: llama-bin-macos-x64.zip
 
-  ubuntu-latest-cmake:
-    runs-on: ubuntu-latest
+  ubuntu-cmake:
+    runs-on: ubuntu-20.04
 
     steps:
       - name: Clone
@@ -1238,7 +1238,7 @@ jobs:
     runs-on: ubuntu-latest
 
     needs:
-      - ubuntu-latest-cmake
+      - ubuntu-cmake
       - macOS-latest-cmake
       - windows-latest-cmake
       - windows-2019-cmake-cuda