diff --git a/Cargo.toml b/Cargo.toml
index 6b1d69a..3a5de64 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ panic = "abort"
 apca = {version = "0.29.0", default-features = false}
 anyhow = {version = "1.0.66", default-features = false, features = ["std"]}
 chrono = {version = "0.4.23", default-features = false}
-chrono-tz = {version = "0.8.6", default-features = false, features = ["std"]}
+chrono-tz = {version = "0.9.0", default-features = false, features = ["std"]}
 futures = {version = "0.3", default-features = false, features = ["std"]}
 num-decimal = {version = "0.2.1", default-features = false}
 once_cell = "1.8"