diff --git a/Gemfile.lock b/Gemfile.lock
index 8f337bb..8cdcfc8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -215,7 +215,7 @@ GEM
     pry (0.14.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    psych (5.1.1.1)
+    psych (5.1.2)
       stringio
     public_suffix (5.0.4)
     puma (6.4.0)
@@ -275,7 +275,7 @@ GEM
       faraday (~> 0.9)
       launchy (~> 2.4)
       uuidtools (~> 2.1)
-    rdoc (6.6.1)
+    rdoc (6.6.3.1)
       psych (>= 4.0.0)
     regexp_parser (2.8.3)
     reline (0.4.1)