diff --git a/Gemfile.lock b/Gemfile.lock
index ef986842..ac1800c4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -254,7 +254,7 @@ GEM
       pry (>= 0.13, < 0.15)
     pry-rails (0.3.11)
       pry (>= 0.13.0)
-    psych (5.2.1)
+    psych (5.2.2)
       date
       stringio
     public_suffix (6.0.1)