diff --git a/Cargo.toml b/Cargo.toml
index dd60735..31dac31 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ license = "Apache-2.0"
 keywords = ["audio", "sound"]
 
 [dependencies]
-libc = "*"
+libc = "0.2"
 lazy_static = "0.1"
 winapi = "0.2.5"
 ole32-sys = "0.1"