1 files changed, 1 insertions, 1 deletions
diff --git a/tool/outdate-bundled-gems.rb b/tool/outdate-bundled-gems.rb
index 10c182d837..3c519cc461 100755
--- a/tool/outdate-bundled-gems.rb
+++ b/tool/outdate-bundled-gems.rb
@@ -111,7 +111,7 @@ end
 
 version = RbConfig::CONFIG['ruby_version']
 curdir.glob(".bundle/{extensions,.timestamp}/#{platform}/*/") do |dir|
-  unless File.basename(dir) == version
+  unless File.basename(dir).start_with?(version)
     curdir.rmdir(dir)
   end
 end