diff --git a/Gemfile.lock b/Gemfile.lock
index 58bc510..1a28b4d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ GEM
     codeclimate-test-reporter (0.4.1)
       simplecov (>= 0.7.1, < 1.0.0)
     coderay (1.1.2)
-    diff-lcs (1.5.0)
+    diff-lcs (1.5.1)
     docile (1.1.5)
     ffi (1.15.5)
     inch (0.8.0)
@@ -46,19 +46,19 @@ GEM
       ffi (>= 0.5.0)
     rb-kqueue (0.2.3)
       ffi (>= 0.5.0)
-    rspec (3.12.0)
-      rspec-core (~> 3.12.0)
-      rspec-expectations (~> 3.12.0)
-      rspec-mocks (~> 3.12.0)
-    rspec-core (3.12.0)
-      rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.0)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.0)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-mocks (3.12.0)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-support (3.12.0)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.0)
     rubocop (0.49.1)
       parallel (~> 1.10)
       parser (>= 2.3.3.1, < 3.0)