diff --git a/Cargo.toml b/Cargo.toml
index 427f389..4a64b25 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,4 +10,4 @@ statrs = "0.10"
 
 [dev-dependencies]
 approx = "0.3"
-env_logger = "0.5"
+env_logger = "0.6"