diff --git a/.vsts-ci.yml b/.vsts-ci.yml
index 90bda8b..0c8f175 100644
--- a/.vsts-ci.yml
+++ b/.vsts-ci.yml
@@ -82,7 +82,7 @@ jobs:
     clean: all
 
   pool:
-    vmImage: 'ubuntu-18.04'
+    vmImage: 'ubuntu-20.04'
     
   variables:
     NUGET_PACKAGES: $(Agent.WorkFolder)/.nuget