diff --git a/Gemfile.lock b/Gemfile.lock
index f641b90..1850ae7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,7 +48,7 @@ GEM
     pry (0.11.3)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    psych (3.2.0)
+    psych (3.2.1)
     rainbow (3.0.0)
     rake (12.3.3)
     rb-fsevent (0.10.4)