diff --git a/deltachat-jsonrpc/Cargo.toml b/deltachat-jsonrpc/Cargo.toml
index 2ad9f2b83..e2958a4b2 100644
--- a/deltachat-jsonrpc/Cargo.toml
+++ b/deltachat-jsonrpc/Cargo.toml
@@ -36,5 +36,6 @@ tokio = { version = "1.25.0", features = ["full", "rt-multi-thread"] }
 
 
 [features]
-default = []
+default = ["vendored"]
 webserver = ["env_logger", "axum", "tokio/full", "yerpc/support-axum"]
+vendored = ["deltachat/vendored"]