diff --git a/Gemfile.lock b/Gemfile.lock
index 7cafb79..620e1dd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,7 +49,7 @@ GEM
       execjs
     awesome_print (1.8.0)
     bcrypt (3.1.13)
-    better_errors (2.6.0)
+    better_errors (2.8.0)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
@@ -74,7 +74,7 @@ GEM
       xpath (~> 3.2)
     childprocess (3.0.0)
     chronic (0.10.2)
-    coderay (1.1.2)
+    coderay (1.1.3)
     coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0)
@@ -85,7 +85,7 @@ GEM
     concurrent-ruby (1.1.6)
     crass (1.0.6)
     debug_inspector (0.0.3)
-    erubi (1.9.0)
+    erubi (1.10.0)
     execjs (2.7.0)
     faraday (1.0.1)
       multipart-post (>= 1.2, < 3)
@@ -152,7 +152,7 @@ GEM
     popper_js (1.16.0)
     public_suffix (4.0.4)
     puma (3.12.4)
-    rack (2.2.2)
+    rack (2.2.3)
     rack-proxy (0.6.5)
       rack
     rack-test (1.1.0)