diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index ac97dea8db9e..b8063cc7a3f4 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -2,5 +2,5 @@
 # SPDX-License-Identifier: Apache-2.0 OR MIT
 
 [toolchain]
-channel = "nightly-2025-09-20"
+channel = "nightly-2025-09-21"
 components = ["llvm-tools", "rustc-dev", "rust-src", "rustfmt"]