diff --git a/Cargo.toml b/Cargo.toml
index 6450026c..355217eb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -54,7 +54,7 @@ tokio = { version = "0.2.9", features = [ "blocking", "fs", "io-util", "macros",
 tokio-openssl = "0.4.0"
 tokio-util = { version = "0.3", features = [ "codec" ] }
 tower-service = "0.3.0"
-udev = "0.3"
+udev = ">= 0.3, <0.5"
 url = "2.1"
 #valgrind_request = { git = "https://github.com/edef1c/libvalgrind_request", version = "1.1.0", optional = true }
 walkdir = "2"