diff --git a/Cargo.toml b/Cargo.toml
index d172ab8..8f97a0e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -51,7 +51,7 @@ parity-wasm = { version = "0.42", default-features = false }
 
 # Dependencies only used by the binaries
 clap = { version = "2", optional = true }
-env_logger = { version = "0.8", optional = true }
+env_logger = { version = "0.9", optional = true }
 glob = { version = "0.3", optional = true }
 lazy_static = { version = "1", optional = true }