diff --git a/sudo_plugin-sys/Cargo.toml b/sudo_plugin-sys/Cargo.toml
index 73dce24..77ffd37 100644
--- a/sudo_plugin-sys/Cargo.toml
+++ b/sudo_plugin-sys/Cargo.toml
@@ -17,4 +17,4 @@ keywords   = ['sudo', 'sudo-plugin', 'api-bindings']
 build = 'build.rs'
 
 [build-dependencies]
-bindgen = { version = '0.59.0', optional = true }
+bindgen = { version = '0.64.0', optional = true }