diff --git a/Cargo.toml b/Cargo.toml
index 5d89e721..e7836c85 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ boring-sys = { version = "3", path = "./boring-sys" }
 boring = { version = "3", path = "./boring" }
 tokio-boring = { version = "3", path = "./tokio-boring" }
 
-bindgen = { version = "0.66.1", default-features = false, features = ["runtime"] }
+bindgen = { version = "0.68.1", default-features = false, features = ["runtime"] }
 cmake = "0.1.18"
 fs_extra = "1.3.0"
 fslock = "0.2"