diff --git a/Gemfile.lock b/Gemfile.lock
index 66ada44..d9656ac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -165,7 +165,7 @@ GEM
       tins (~> 0.8)
     thor (0.18.1)
     tilt (1.4.1)
-    tins (0.12.0)
+    tins (0.13.1)
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)