diff --git a/Gemfile.lock b/Gemfile.lock
index f2afb03..bb072f2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,9 +43,9 @@ GEM
     astrolabe (1.3.1)
       parser (~> 2.2)
     bcrypt (3.1.10)
-    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)
@@ -67,7 +67,7 @@ GEM
       timers (>= 4.1.1)
     celluloid-supervision (0.20.5)
       timers (>= 4.1.1)
-    coderay (1.1.0)
+    coderay (1.1.3)
     coffee-rails (4.1.0)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.0)
@@ -89,6 +89,7 @@ GEM
     docile (1.1.5)
     em-synchrony (1.0.4)
       eventmachine (>= 1.0.0.beta.1)
+    erubi (1.10.0)
     erubis (2.7.0)
     eventmachine (1.0.8)
     execjs (2.6.0)
@@ -168,7 +169,7 @@ GEM
       pry (>= 0.9.10)
     pundit (1.0.1)
       activesupport (>= 3.0.0)
-    rack (1.6.4)
+    rack (1.6.13)
     rack-google-analytics (1.2.0)
       actionpack
       activesupport