diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index c35ec90eac..68faccfccb 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -69,7 +69,7 @@ GEM
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2019.2)
       tzinfo (>= 1.0.0)