--- a/Cargo.toml
+++ b/Cargo.toml
@@ -50,7 +50,7 @@
 version = "0.4"
 
 [dependencies.chrono-tz]
-version = "0.8"
+version = ">= 0.8, < 0.11"
 
 [dependencies.geojson]
 version = "0.24"