--- a/rust/Cargo.toml.in
+++ b/rust/Cargo.toml.in
@@ -4,7 +4,7 @@
 edition = "2018"

 [lib]
-crate-type = ["staticlib", "rlib"]
+crate-type = ["staticlib", "rlib", "cdylib"]
 path = "@e_rustdir@/src/lib.rs"

 [profile.release]