diff --git a/Cargo.toml b/Cargo.toml
index bfdae14..6a973db 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,4 +18,4 @@ petgraph = "0.6.3"
 log = "0.4"
 
 [build-dependencies]
-bindgen = "0.66.1"
+bindgen = "0.68.1"