diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index d890b3c975..036f57d52c 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -608,7 +608,7 @@ jobs:
   - task: UseRubyVersion@0
     condition: succeeded()
     inputs:
-      versionSpec: '>= 2.7' 
+      versionSpec: '= 2.7' 
       addToPath: true
 
   # generate change log including future version