diff --git a/src/hyperlight_host/Cargo.toml b/src/hyperlight_host/Cargo.toml
index 39f18dfb0..3a64a2884 100644
--- a/src/hyperlight_host/Cargo.toml
+++ b/src/hyperlight_host/Cargo.toml
@@ -96,7 +96,7 @@ windows = { version = "0.58", features = [
 ] }
 
 [target.'cfg(unix)'.dev-dependencies]
-proc-maps = "0.3.1"
+proc-maps = "0.4.0"
 
 [build-dependencies]
 anyhow = { version = "1.0.75" }