diff --git a/Gemfile b/Gemfile
index b15f389..774dd1f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -18,7 +18,7 @@ gem "just-the-docs"
 # Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
 # and associated library.
 platforms :mingw, :x64_mingw, :mswin, :jruby do
-  gem "tzinfo", ">= 1", "< 3"
+  gem "tzinfo", ">= 1.2.11", "< 3"
   gem "tzinfo-data"
 end