diff --git a/lean-toolchain b/lean-toolchain
index aaa643c720..3c43088f8e 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2025-01-27
+leanprover/lean4:nightly-2025-01-28