diff --git a/Gemfile.lock b/Gemfile.lock
index aed59fd..e8d1a25 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,7 @@ GEM
     counter_culture (3.5.2)
       activerecord (>= 4.2)
       activesupport (>= 4.2)
-    crack (0.4.6)
+    crack (1.0.0)
       bigdecimal
       rexml
     crass (1.0.6)