diff --git a/lean-toolchain b/lean-toolchain
index 5f0b0b4ec3..64b0b0f34c 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2025-01-01
+leanprover/lean4:nightly-2025-01-02