fix typo
diff --git a/vars/jenkinsEnv.groovy b/vars/jenkinsEnv.groovy
index 7ccd1b6..de7f147 100644
--- a/vars/jenkinsEnv.groovy
+++ b/vars/jenkinsEnv.groovy
@@ -128,7 +128,7 @@
             case '6':
                 return '3.0.x'
             default:
-                return '3.8.x'
+                return '3.6.x'
         }
     }
 }