diff --git a/lean-toolchain b/lean-toolchain
index d8c33b3609..63a719c516 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2024-06-09
+leanprover/lean4-pr-releases:pr-release-4433