diff --git a/ffi/Cargo.toml b/ffi/Cargo.toml
index e040060..dfb40f1 100644
--- a/ffi/Cargo.toml
+++ b/ffi/Cargo.toml
@@ -27,4 +27,4 @@ default = []
 ffi-headers = ["cbindgen"]
 
 [build-dependencies]
-cbindgen = { version = "0.19", optional = true }
+cbindgen = { version = "0.20", optional = true }