diff --git a/Cargo.toml b/Cargo.toml
index 4689c36..6e82b09 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@ iso8601 = "0.6"
 chrono-tz = {version = "0.9", optional = true }
 
 [dependencies.chrono]
-version = "0.4"
+version = "0.4.38"
 default-features = false
 features = ["clock", "std", "wasmbind"]