diff --git a/Gemfile.lock b/Gemfile.lock
index 52c3e37f85..3651d496c3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -343,8 +343,9 @@ GEM
       activesupport (>= 3.0)
       nokogiri (>= 1.6)
     io-console (0.8.2)
-    irb (1.16.0)
+    irb (1.17.0)
       pp (>= 0.6.0)
+      prism (>= 1.3.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     jd-paperclip-azure (3.0.0)