diff --git a/railseventstore.org/Gemfile.lock b/railseventstore.org/Gemfile.lock
index 51880d8bec..387b8633fa 100644
--- a/railseventstore.org/Gemfile.lock
+++ b/railseventstore.org/Gemfile.lock
@@ -8,15 +8,14 @@ GEM
       tzinfo (~> 2.0)
     addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
-    arbre (2.0.0)
+    arbre (2.0.2)
       activesupport (>= 3.0.0)
-      ruby2_keywords (>= 0.0.2)
     backports (3.25.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.3.3)
+    concurrent-ruby (1.3.4)
     contracts (0.16.1)
     dotenv (3.1.2)
     erubis (2.7.0)
@@ -84,7 +83,7 @@ GEM
     middleman-syntax (3.4.0)
       middleman-core (>= 3.2)
       rouge (~> 3.2)
-    minitest (5.23.1)
+    minitest (5.25.1)
     net-http (0.4.1)
       uri
     octokit (9.1.0)
@@ -106,7 +105,6 @@ GEM
     rexml (3.3.0)
       strscan
     rouge (3.30.0)
-    ruby2_keywords (0.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
     sawyer (0.9.2)