diff --git a/Cargo.toml b/Cargo.toml
index d86c0b5f5..37e900515 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -127,7 +127,7 @@ webpki-roots = { version = "0.15", optional = true }
 tokio-uds = { version="0.2", optional = true }
 
 [dev-dependencies]
-env_logger = "0.5"
+env_logger = "0.6"
 serde_derive = "1.0"
 
 [build-dependencies]