diff --git a/.ruby-version b/.ruby-version
index 005119b..8e8299d 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.4.1
+2.4.2
diff --git a/Gemfile.lock b/Gemfile.lock
index 26b96c2..0b22b45 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     equatable (0.5.0)
-    git-cop (1.6.0)
+    git-cop (1.6.1)
       pastel (~> 0.7)
       refinements (~> 4.2)
       runcom (~> 1.3)
@@ -10,7 +10,7 @@ GEM
     pastel (0.7.1)
       equatable (~> 0.5.0)
       tty-color (~> 0.4.0)
-    rake (12.0.0)
+    rake (12.1.0)
     refinements (4.2.0)
     runcom (1.3.0)
       refinements (~> 4.2)