diff --git a/Gemfile.lock b/Gemfile.lock
index 71cc5f7..aa9ff1f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -223,9 +223,10 @@ GEM
     rubyzip (2.0.0)
     safe_yaml (1.0.5)
     sass (3.7.4)
-      sass-listen (>= 4.0.0)
+      sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
-      rb-inotify (>= 0.9.7, >= 0.9)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
     sawyer (0.8.2)
       addressable (>= 2.3.5)
       faraday (> 0.8, < 2.0)