diff --git a/Gemfile.lock b/Gemfile.lock
index 226245c..959103d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -183,7 +183,7 @@ GEM
     thor (0.19.1)
     thread_safe (0.3.4)
     tilt (1.4.1)
-    tins (1.3.0)
+    tins (1.3.1)
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)