diff --git a/Cargo.toml b/Cargo.toml
index 5a4194c..65af02a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,7 +32,7 @@ url = "1.2"
 uuid = { version = "0.7", features = ["v4"] }
 
 [dev-dependencies]
-env_logger = "0.5"
+env_logger = "0.6"
 serde_derive = "1.0"
 
 [features]