diff --git a/Gemfile.lock b/Gemfile.lock
index ceba40e..e73e87a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,7 +15,7 @@ GEM
     crack (1.0.0)
       bigdecimal
       rexml
-    diff-lcs (1.3)
+    diff-lcs (1.5.1)
     dotenv (2.8.1)
     hashdiff (1.1.1)
     httparty (0.21.0)
@@ -37,19 +37,19 @@ GEM
     rake (12.3.3)
     regexp_parser (2.9.2)
     rexml (3.3.8)
-    rspec (3.8.0)
-      rspec-core (~> 3.8.0)
-      rspec-expectations (~> 3.8.0)
-      rspec-mocks (~> 3.8.0)
-    rspec-core (3.8.2)
-      rspec-support (~> 3.8.0)
-    rspec-expectations (3.8.4)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.1)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.3)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-mocks (3.8.1)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.2)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-support (3.8.2)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.1)
     rubocop (1.10.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)