diff --git a/Gemfile.lock b/Gemfile.lock
index 8a8c02a7..db32675e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -576,7 +576,7 @@ GEM
     thor (1.1.0)
     thread_safe (0.3.6)
     tilt (2.0.10)
-    timecop (0.9.1)
+    timecop (0.9.4)
     transitions (1.2.1)
     ttfunk (1.7.0)
     turbolinks (5.2.1)