diff --git a/Cargo.toml b/Cargo.toml
index 0dc9a02..8cf08dd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ exclude = [
 cfg-if = "^1.0.0"
 
 [build-dependencies]
-bindgen = { version = "~0.65.1", optional = true }
+bindgen = { version = "~0.66.1", optional = true }
 
 [dev-dependencies]
 version-sync = "~0.9.2"