diff --git a/vl-convert-python/Cargo.toml b/vl-convert-python/Cargo.toml
index 3d24fa4..25020db 100644
--- a/vl-convert-python/Cargo.toml
+++ b/vl-convert-python/Cargo.toml
@@ -22,3 +22,5 @@ lazy_static = { workspace = true }
 futures = { workspace = true }
 pythonize = { workspace = true }
 tokio = { workspace = true }
+
+libffi = { version = "3.2.0", features = ["system"] }