1diff --git a/vl-convert-python/Cargo.toml b/vl-convert-python/Cargo.toml
2index 3d24fa4..25020db 100644
3--- a/vl-convert-python/Cargo.toml
4+++ b/vl-convert-python/Cargo.toml
5@@ -22,3 +22,5 @@ lazy_static = { workspace = true }
6 futures = { workspace = true }
7 pythonize = { workspace = true }
8 tokio = { workspace = true }
9+
10+libffi = { version = "3.2.0", features = ["system"] }