diff --git a/Gemfile.lock b/Gemfile.lock
index 01d801d..9f00e59 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,7 @@ GEM
     crack (0.4.5)
       rexml
     crass (1.0.6)
-    date (3.3.3)
+    date (3.3.4)
     debug (1.8.0)
       irb (>= 1.5.0)
       reline (>= 0.3.1)