diff --git a/Cargo.toml b/Cargo.toml
index 1ea5b2c..a3befa6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,3 +11,4 @@ crate-type = ["rlib"]
 
 [dependencies]
 bitflags = "0.1"
+libc = "*"