diff --git a/Gemfile b/Gemfile
index d8fca03..debb300 100644
--- a/Gemfile
+++ b/Gemfile
@@ -57,8 +57,8 @@ end
 
 group :development, :test do
   # unit tests
-  gem "rspec-core", "~> 3.4.3"
-  gem "rspec-rails", "~> 3.4.1"
+  gem "rspec-core", "~> 3.5.1"
+  gem "rspec-rails", "~> 3.5.1"
 
   # GUID generation
   gem "uuid", "~> 2.3.8"
diff --git a/Gemfile.lock b/Gemfile.lock
index 4b7781d..26df54e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -201,29 +201,29 @@ GEM
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
-    rspec (3.4.0)
-      rspec-core (~> 3.4.0)
-      rspec-expectations (~> 3.4.0)
-      rspec-mocks (~> 3.4.0)
+    rspec (3.5.0)
+      rspec-core (~> 3.5.0)
+      rspec-expectations (~> 3.5.0)
+      rspec-mocks (~> 3.5.0)
     rspec-collection_matchers (1.1.2)
       rspec-expectations (>= 2.99.0.beta1)
-    rspec-core (3.4.4)
-      rspec-support (~> 3.4.0)
-    rspec-expectations (3.4.0)
+    rspec-core (3.5.1)
+      rspec-support (~> 3.5.0)
+    rspec-expectations (3.5.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.4.0)
-    rspec-mocks (3.4.1)
+      rspec-support (~> 3.5.0)
+    rspec-mocks (3.5.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.4.0)
-    rspec-rails (3.4.2)
-      actionpack (>= 3.0, < 4.3)
-      activesupport (>= 3.0, < 4.3)
-      railties (>= 3.0, < 4.3)
-      rspec-core (~> 3.4.0)
-      rspec-expectations (~> 3.4.0)
-      rspec-mocks (~> 3.4.0)
-      rspec-support (~> 3.4.0)
-    rspec-support (3.4.1)
+      rspec-support (~> 3.5.0)
+    rspec-rails (3.5.1)
+      actionpack (>= 3.0)
+      activesupport (>= 3.0)
+      railties (>= 3.0)
+      rspec-core (~> 3.5.0)
+      rspec-expectations (~> 3.5.0)
+      rspec-mocks (~> 3.5.0)
+      rspec-support (~> 3.5.0)
+    rspec-support (3.5.0)
     rubocop (0.40.0)
       parser (>= 2.3.1.0, < 3.0)
       powerpack (~> 0.1)
@@ -298,8 +298,8 @@ DEPENDENCIES
   pry
   pry-byebug
   rspec-collection_matchers (~> 1.1.2)
-  rspec-core (~> 3.4.3)
-  rspec-rails (~> 3.4.1)
+  rspec-core (~> 3.5.1)
+  rspec-rails (~> 3.5.1)
   rubocop (= 0.40.0)
   simplecov (= 0.11.2)
   simplecov-rcov (= 0.2.3)