diff --git a/Gemfile.lock b/Gemfile.lock
index d6ad7ab..1276e71 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    timecost (0.2.0)
+    timecost (0.2.1)
 
 GEM
   remote: https://rubygems.org/