diff --git a/Gemfile.lock b/Gemfile.lock
index 39c22bf..8741cd3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,7 +67,7 @@ DEPENDENCIES
   tzinfo-data
 
 RUBY VERSION
-   ruby 2.5.3p105
+   ruby 2.6.1p33
 
 BUNDLED WITH
-   1.17.1
+   1.17.3