diff --git a/app_env/Cargo.toml b/app_env/Cargo.toml
index c770500..f60061e 100644
--- a/app_env/Cargo.toml
+++ b/app_env/Cargo.toml
@@ -10,8 +10,8 @@ publish = false
 [dependencies]
 
 anyhow = "1.0.40"
-## 
 base64 = "0.13.0"
+chrono = "0.4.19"
 dotenv = "0.15.0"
 envmnt = "0.9.0"
 json = "0.12.4"