diff --git a/Cargo.toml b/Cargo.toml
index 953206536..6e504273a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -98,7 +98,7 @@ thiserror = "1.0.56"
 time = { version = "0.3", features = ["parsing", "formatting", "serde"] }
 toml = "0.8.8"
 toml_edit = { version = "0.21.0", features = ["serde"] }
-tracing = "0.1.40"
+tracing = "0.1.37" # be compatible with rustc_log: https://github.com/rust-lang/rust/blob/e51e98dde6a/compiler/rustc_log/Cargo.toml#L9
 tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
 unicase = "2.7.0"
 unicode-width = "0.1.11"