diff --git a/.yamato/upm-ci.yml b/.yamato/upm-ci.yml
index 9bc328ec7..38ee486de 100644
--- a/.yamato/upm-ci.yml
+++ b/.yamato/upm-ci.yml
@@ -68,7 +68,7 @@ platforms:
     flavor: b1.medium
   - name: ubuntu
     type: Unity::VM
-    image: package-ci/ubuntu:prev-stable
+    image: package-ci/ubuntu:stable
     flavor: b1.medium
 coverage:
     minPercent: 57.5