diff --git a/ci-build.yaml b/ci-build.yaml
index bcf986ee6..7b8d88e36 100644
--- a/ci-build.yaml
+++ b/ci-build.yaml
@@ -38,7 +38,7 @@ steps:
   displayName: 'Use .NET Core sdk for versioning'
   inputs:
     packageType: 'sdk'
-    version: '2.1.0'
+    version: '2.1.x'
 
 
 - task: PowerShell@2