diff --git a/Gemfile.lock b/Gemfile.lock
index 6719f63..7bbc7df 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.2)
-    diff-lcs (1.4.4)
+    diff-lcs (1.5.1)
     os (1.1.4)
     parallel (1.22.1)
     parser (3.1.3.0)
@@ -16,19 +16,19 @@ GEM
     rake (13.2.1)
     regexp_parser (2.6.1)
     rexml (3.2.5)
-    rspec (3.10.0)
-      rspec-core (~> 3.10.0)
-      rspec-expectations (~> 3.10.0)
-      rspec-mocks (~> 3.10.0)
-    rspec-core (3.10.1)
-      rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.1)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.2)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.3)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.2)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.2)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-support (3.10.2)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.2)
     rubocop (1.12.1)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)