diff --git a/Gemfile.lock b/Gemfile.lock
index afa9311..93af58f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -46,9 +46,9 @@ GEM
     ast (2.3.0)
     autoprefixer-rails (6.5.2)
       execjs
-    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)
@@ -76,7 +76,7 @@ GEM
     childprocess (0.5.9)
       ffi (~> 1.0, >= 1.0.11)
     cliver (0.3.2)
-    coderay (1.1.1)
+    coderay (1.1.3)
     coffee-rails (4.2.1)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.2.x)
@@ -95,6 +95,7 @@ GEM
       faraday (~> 0.9)
       faraday_middleware (~> 0.10)
       rack (>= 1.6)
+    erubi (1.10.0)
     erubis (2.7.0)
     execjs (2.7.0)
     factory_girl (4.7.0)
@@ -186,7 +187,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (2.0.4)
     puma (3.11.4)
-    rack (2.0.4)
+    rack (2.2.3)
     rack-mini-profiler (0.10.1)
       rack (>= 1.2.0)
     rack-protection (2.0.0.beta2)