diff --git a/Cargo.toml b/Cargo.toml
index d8dd7f4..d7b9184 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -44,5 +44,5 @@ libc = "0.2"
 
 [dev-dependencies]
 doc-comment = "0.3"
-env_logger = "0.8.1"
+env_logger = "0.9.0"
 tempfile = "3.1"