diff --git a/Cargo.lock b/Cargo.lock
index 7367cd520..a49a30a55 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1647,7 +1647,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "what"
-version = "0.3.7"
+version = "0.4.0"
 dependencies = [
  "async-trait 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "cargo-insta 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",