diff --git a/docs/jekyll-doc-theme-gh-pages/Gemfile.lock b/docs/jekyll-doc-theme-gh-pages/Gemfile.lock
index b9ed647..b85d64d 100644
--- a/docs/jekyll-doc-theme-gh-pages/Gemfile.lock
+++ b/docs/jekyll-doc-theme-gh-pages/Gemfile.lock
@@ -235,7 +235,7 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.3.1)
       ethon (>= 0.9.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2019.3)
       tzinfo (>= 1.0.0)