diff --git a/speech-dispatcher/Cargo.toml b/speech-dispatcher/Cargo.toml
index 206c293..5ef33ba 100644
--- a/speech-dispatcher/Cargo.toml
+++ b/speech-dispatcher/Cargo.toml
@@ -7,4 +7,4 @@ description = "Rusty interface to the speech-dispatcher speech synthesis library
 license = "LGPL-2.1"
 
 [dependencies]
-speech-dispatcher-sys = { version = "0.4.0", path = "../speech-dispatcher-sys" }
+speech-dispatcher-sys = { version = "0.4", path = "../speech-dispatcher-sys" }