diff --git a/Gemfile.lock b/Gemfile.lock
index 3619c7af..fcf807e6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -94,7 +94,7 @@ GEM
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     io-console (0.6.0)
-    irb (1.9.1)
+    irb (1.10.0)
       rdoc
       reline (>= 0.3.8)
     json (2.7.0)
@@ -172,7 +172,7 @@ GEM
     rdoc (6.6.0)
       psych (>= 4.0.0)
     regexp_parser (2.8.2)
-    reline (0.4.0)
+    reline (0.4.1)
       io-console (~> 0.5)
     rest-client (2.1.0)
       http-accept (>= 1.7.0, < 2.0)
@@ -224,7 +224,7 @@ GEM
       simplecov (~> 0.19)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
-    stringio (3.0.9)
+    stringio (3.1.0)
     sync (0.5.0)
     term-ansicolor (1.7.1)
       tins (~> 1.0)