diff --git a/Cargo.toml b/Cargo.toml
index 3010363..4a1db05 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,5 +20,5 @@ default = []
 clp-src = { version = "0.2", features = ["clpsolver"]}
 
 [build-dependencies]
-bindgen = "0.64"
+bindgen = "0.68"
 coin-build-tools = "0.2"