diff --git a/lazylead.gemspec b/lazylead.gemspec
index 0244bea..5e32219 100644
--- a/lazylead.gemspec
+++ b/lazylead.gemspec
@@ -73,7 +73,7 @@ tasks instead of solving technical problems."
   s.add_runtime_dependency "sqlite3", "1.4.4"
   s.add_runtime_dependency "tempfile", "0.1.2"
   s.add_runtime_dependency "tilt", "2.0.10"
-  s.add_runtime_dependency "tzinfo", "2.0.4"
+  s.add_runtime_dependency "tzinfo", "2.0.6"
   s.add_runtime_dependency "tzinfo-data", "1.2022.1"
   s.add_runtime_dependency "vcs4sql", "0.1.1"
   s.add_runtime_dependency "viewpoint", "1.1.1"