use latest Rake

Author: takahashim

Gemfile

@@ -2,5 +2,5 @@ source "https://rubygems.org"
 
 gem "rspec"
 gem "faraday"
-gem "rake", '< 11.0'
+gem "rake"
 

Gemfile.lock

@@ -1,30 +1,31 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    diff-lcs (1.2.5)
-    faraday (0.9.0)
+    diff-lcs (1.3)
+    faraday (0.15.0)
       multipart-post (>= 1.2, < 3)
     multipart-post (2.0.0)
-    rake (10.5.0)
-    rspec (3.1.0)
-      rspec-core (~> 3.1.0)
-      rspec-expectations (~> 3.1.0)
-      rspec-mocks (~> 3.1.0)
-    rspec-core (3.1.7)
-      rspec-support (~> 3.1.0)
-    rspec-expectations (3.1.2)
+    rake (12.3.1)
+    rspec (3.7.0)
+      rspec-core (~> 3.7.0)
+      rspec-expectations (~> 3.7.0)
+      rspec-mocks (~> 3.7.0)
+    rspec-core (3.7.1)
+      rspec-support (~> 3.7.0)
+    rspec-expectations (3.7.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.1.0)
-    rspec-mocks (3.1.3)
-      rspec-support (~> 3.1.0)
-    rspec-support (3.1.2)
+      rspec-support (~> 3.7.0)
+    rspec-mocks (3.7.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.7.0)
+    rspec-support (3.7.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   faraday
-  rake (< 11.0)
+  rake
   rspec
 
 BUNDLED WITH