diff --git a/.semaphore/publish.yml b/.semaphore/publish.yml
index d31bd68..6ef810f 100644
--- a/.semaphore/publish.yml
+++ b/.semaphore/publish.yml
@@ -27,4 +27,4 @@ blocks:
 agent:
   machine:
     type: e1-standard-2
-    os_image: ubuntu1804
+    os_image: ubuntu2004