diff --git a/Cargo.toml b/Cargo.toml
index e045958..7f4dc8d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -49,7 +49,7 @@ features = [
 ]
 
 [target.'cfg(target_os = "hermit")'.dependencies.hermit-abi]
-version = "0.3.9"
+version = "0.4.0"
 
 [dev-dependencies]
 easy-parallel = "3.1.0"