diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 7e5b281fa..f9348d44f 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -84,7 +84,7 @@ jobs:
       matrix:
         java: [ '17', '21' ]
         db: [ 'h2', 'mariadb', 'postgresql', 'mysql', 'sqlserver', 'db2', 'oracle' ]
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     env:
       SPRING_PROFILES_ACTIVE: nflow.db.${{ matrix.db }}
       DB_VERSION: ${{ matrix.java == 17 && 'old' || 'latest' }}