diff --git a/Gemfile.lock b/Gemfile.lock
index 7b349af4bf..e7269170c2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -104,7 +104,7 @@ GEM
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     io-console (0.7.2)
-    irb (1.13.1)
+    irb (1.13.2)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     json (2.7.2)
@@ -181,10 +181,10 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rdoc (6.6.3.1)
+    rdoc (6.7.0)
       psych (>= 4.0.0)
     regexp_parser (2.9.2)
-    reline (0.5.5)
+    reline (0.5.9)
       io-console (~> 0.5)
     rexml (3.2.8)
       strscan (>= 3.0.9)
@@ -217,7 +217,7 @@ GEM
       faraday (>= 0.17.3, < 3)
     servolux (0.13.0)
     stream (0.5.5)
-    stringio (3.1.0)
+    stringio (3.1.1)
     strscan (3.1.0)
     sysexits (1.2.0)
     temple (0.10.3)