diff --git a/Cargo.toml b/Cargo.toml
index 2fd308f..689bcd6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ rust-version = "1.57"
 members = [".", "cli"]
 
 [dependencies]
-chrono = "0.4"
+chrono = "0.4.23"
 cookie-factory = "0.3"
 der-parser = "8"
 des = "0.8"