diff --git a/crates/polars-io/Cargo.toml b/crates/polars-io/Cargo.toml
index 64259f78ad09..ca3d313e08ae 100644
--- a/crates/polars-io/Cargo.toml
+++ b/crates/polars-io/Cargo.toml
@@ -95,6 +95,7 @@ timezones = [
   "dtype-datetime",
   "arrow/timezones",
   "polars-json?/chrono-tz",
+  "polars-json?/timezones",
 ]
 dtype-time = ["polars-core/dtype-time", "polars-core/temporal", "polars-time/dtype-time"]
 dtype-struct = ["polars-core/dtype-struct"]