diff --git a/Gemfile.lock b/Gemfile.lock
index 788e55b..68e426b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,9 +39,9 @@ GEM
     arel (6.0.0)
     awesome_print (1.6.1)
     beefcake (1.1.0.pre1)
-    better_errors (2.1.1)
+    better_errors (2.8.0)
       coderay (>= 1.0.0)
-      erubis (>= 2.6.6)
+      erubi (>= 1.0.0)
       rack (>= 0.9.0)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
@@ -50,7 +50,7 @@ GEM
       columnize (~> 0.8)
       debugger-linecache (~> 1.2)
       slop (~> 3.6)
-    coderay (1.1.0)
+    coderay (1.1.3)
     coffee-rails (4.1.0)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.0)
@@ -61,6 +61,7 @@ GEM
     columnize (0.9.0)
     debug_inspector (0.0.2)
     debugger-linecache (1.2.0)
+    erubi (1.10.0)
     erubis (2.7.0)
     execjs (2.4.0)
     globalid (0.3.3)
@@ -103,7 +104,7 @@ GEM
       rack (>= 1.1, < 2.0)
     quiet_assets (1.1.0)
       railties (>= 3.1, < 5.0)
-    rack (1.6.0)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.0)