diff --git a/zmq-sys/Cargo.toml b/zmq-sys/Cargo.toml
index 14507b86..7cf03107 100644
--- a/zmq-sys/Cargo.toml
+++ b/zmq-sys/Cargo.toml
@@ -20,7 +20,7 @@ libc = "0.2.15"
 
 [build-dependencies]
 system-deps = "6"
-zeromq-src = { version = "0.2.1" }
+zeromq-src = "0.3"
 
 [package.metadata.system-deps]
 libzmq = "4.1"