diff --git a/neqo-crypto/Cargo.toml b/neqo-crypto/Cargo.toml
index d8d244c472..1669cde9e1 100644
--- a/neqo-crypto/Cargo.toml
+++ b/neqo-crypto/Cargo.toml
@@ -12,7 +12,7 @@ neqo-common = { path = "../neqo-common" }
 log = {version = "0.4.0", default-features = false}
 
 [build-dependencies]
-bindgen = {version = "0.64", default-features = false, features= ["runtime"]}
+bindgen = {version = "0.69", default-features = false, features= ["runtime"]}
 serde = "1.0"
 serde_derive = "1.0"
 toml = "0.5"