diff --git a/Gemfile b/Gemfile
index 36fcbeb..7ac1986 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,4 +2,4 @@ source 'https://rubygems.org'
 
 gem 'rake'
 gem 'rubocop'
-gem 'foodcritic'
+gem 'foodcritic', '>= 4.0.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4038f76..fecfb5d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -5,26 +5,27 @@ GEM
     astrolabe (1.3.0)
       parser (>= 2.2.0.pre.3, < 3.0)
     erubis (2.7.0)
-    foodcritic (4.0.0)
+    ffi-yajl (2.4.0)
+      libyajl2 (>= 1.2)
+    foodcritic (16.3.0)
       erubis
-      gherkin (~> 2.11)
-      nokogiri (~> 1.5)
+      ffi-yajl (~> 2.0)
+      nokogiri (>= 1.5, < 2.0)
       rake
       rufus-lru (~> 1.0)
       treetop (~> 1.4)
-      yajl-ruby (~> 1.1)
-    gherkin (2.12.2)
-      multi_json (~> 1.3)
-    mini_portile (0.6.2)
-    multi_json (1.11.0)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    libyajl2 (2.1.0)
+    mini_portile2 (2.6.1)
+    nokogiri (1.12.4)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     parser (2.2.2.3)
       ast (>= 1.1, < 3.0)
     polyglot (0.3.5)
     powerpack (0.1.1)
+    racc (1.5.2)
     rainbow (2.0.0)
-    rake (10.4.2)
+    rake (13.0.6)
     rubocop (0.31.0)
       astrolabe (~> 1.3)
       parser (>= 2.2.2.1, < 3.0)
@@ -32,15 +33,17 @@ GEM
       rainbow (>= 1.99.1, < 3.0)
       ruby-progressbar (~> 1.4)
     ruby-progressbar (1.7.5)
-    rufus-lru (1.0.5)
-    treetop (1.6.2)
+    rufus-lru (1.1.0)
+    treetop (1.6.11)
       polyglot (~> 0.3)
-    yajl-ruby (1.2.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  foodcritic
+  foodcritic (>= 4.0.0)
   rake
   rubocop
+
+BUNDLED WITH
+   2.1.4