diff --git a/.azure/ci-linux-job.yml b/.azure/ci-linux-job.yml
index edb0744e..f1b09359 100644
--- a/.azure/ci-linux-job.yml
+++ b/.azure/ci-linux-job.yml
@@ -3,7 +3,7 @@ jobs:
   timeoutInMinutes: 90
   displayName: 'Linux CI'
   pool:
-    vmImage: 'Ubuntu 16.04'
+    vmImage: 'Ubuntu 18.04'
   strategy:
     matrix:
       Py36: