diff --git a/Cargo.toml b/Cargo.toml
index 3eb81f7..011116a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -195,6 +195,7 @@ all-features = true
 version = "^1.0"
 
 [features]
+default = ["rdcore"]
 docgen = [
     "clap/string",
     "dep:clap_mangen",