diff --git a/lean-toolchain b/lean-toolchain
index b90a67855..0a4a812e5 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2026-11-04
+leanprover/lean4-pr-releases:pr-release-16235-93b8f4d