diff --git a/ruby-jekyll/Gemfile.lock b/ruby-jekyll/Gemfile.lock
index 3306347..78182cb 100644
--- a/ruby-jekyll/Gemfile.lock
+++ b/ruby-jekyll/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2020.6)
       tzinfo (>= 1.0.0)