diff --git a/rust-toolchain b/rust-toolchain
index d23811e..8dda803 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2025-03-15"
-components = ["llvm-tools-preview", "rustc-dev"]
+channel = "nightly-2025-02-20"
+components = ["llvm-tools-preview", "rustc-dev","rust-src"]