diff --git a/Gemfile.lock b/Gemfile.lock
index 474ac007..d969089a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -169,7 +169,7 @@ GEM
       method_source (~> 1.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    psych (5.1.1)
+    psych (5.1.1.1)
       stringio
     puma (6.4.0)
       nio4r (~> 2.0)