diff --git a/Gemfile b/Gemfile
index 12755f28..dfb1dd5d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -30,7 +30,7 @@ group :test, :development do
 end
 
 group :test do
-  gem 'rspec', '~> 3.10'
+  gem 'rspec', '~> 3.12'
   gem 'rspec_junit_formatter'
   gem 'rubocop', '~> 0.93', require: false
   gem 'simplecov', '~> 0.21.2'
diff --git a/Gemfile.lock b/Gemfile.lock
index ad5f5e91..5168652d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,7 +70,7 @@ GEM
     crack (0.4.5)
       rexml
     deepsort (0.4.5)
-    diff-lcs (1.4.4)
+    diff-lcs (1.5.0)
     docile (1.3.5)
     escape (0.0.4)
     escape_utils (1.2.1)
@@ -129,19 +129,19 @@ GEM
       pairing_heap (>= 0.3.0)
       rexml (~> 3.2, >= 3.2.4)
       stream (~> 0.5.3)
-    rspec (3.10.0)
-      rspec-core (~> 3.10.0)
-      rspec-expectations (~> 3.10.0)
-      rspec-mocks (~> 3.10.0)
-    rspec-core (3.10.2)
-      rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.0)
+    rspec (3.12.0)
+      rspec-core (~> 3.12.0)
+      rspec-expectations (~> 3.12.0)
+      rspec-mocks (~> 3.12.0)
+    rspec-core (3.12.1)
+      rspec-support (~> 3.12.0)
+    rspec-expectations (3.12.2)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.0)
+      rspec-support (~> 3.12.0)
+    rspec-mocks (3.12.4)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-support (3.10.3)
+      rspec-support (~> 3.12.0)
+    rspec-support (3.12.0)
     rspec_junit_formatter (0.6.0)
       rspec-core (>= 2, < 4, != 2.12.0)
     rubocop (0.93.1)
@@ -209,7 +209,7 @@ DEPENDENCIES
   pry (~> 0.14)
   pry-byebug (~> 3.10)
   rgl (~> 0.5.9)
-  rspec (~> 3.10)
+  rspec (~> 3.12)
   rspec_junit_formatter
   rubocop (~> 0.93)
   rubyzip (~> 2.3.2)