diff --git a/Cargo.toml b/Cargo.toml
index dd71c9f..03427ad 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,8 +11,8 @@ readme = "README.md"
 exclude = ["/examples"]
 
 [dependencies]
-libc = "0.2.161"
+libc = "0.2"
 
 [build-dependencies]
-build-print = "0.1.1"
-bindgen = "0.70.1"
+build-print = "0.1"
+bindgen = "0.70"