diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs
index 1076d357070ef..a6b9acb576eb4 100644
--- a/library/core/src/lib.rs
+++ b/library/core/src/lib.rs
@@ -209,6 +209,7 @@
 #![feature(derive_const)]
 #![feature(doc_cfg)]
 #![feature(doc_notable_trait)]
+#![feature(generic_arg_infer)]
 #![feature(rustdoc_internals)]
 #![feature(exhaustive_patterns)]
 #![feature(doc_cfg_hide)]