diff --git a/Gemfile.lock b/Gemfile.lock
index 6570010..6ccde3e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,8 +8,8 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     awesome_print (1.2.0)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
@@ -19,7 +19,7 @@ GEM
     ffi (1.11.1)
     hashdiff (0.4.0)
     mini_magick (4.9.3)
-    public_suffix (3.1.1)
+    public_suffix (5.0.0)
     rake (12.3.2)
     rspec (3.8.0)
       rspec-core (~> 3.8.0)
@@ -50,7 +50,7 @@ PLATFORMS
 DEPENDENCIES
   awesome_print (< 2.0)
   mapstatic!
-  rake (~> 12)
+  rake
   rspec (~> 3)
   thor (>= 0.19.0, < 2.0)
   vcr (~> 3)