diff --git a/Gemfile.lock b/Gemfile.lock
index 2410d0f..1775472 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,4 +70,4 @@ DEPENDENCIES
   yard (~> 0.9)
 
 BUNDLED WITH
-   2.4.12
+   2.5.19