diff --git a/Gemfile.lock b/Gemfile.lock
index 154d89c..cc4695e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,7 @@ GEM
       bourne (~> 1.3)
     sqlite3 (1.3.7)
     thor (0.14.6)
-    tzinfo (0.3.37)
+    tzinfo (0.3.61)
 
 PLATFORMS
   ruby