diff --git a/lean-toolchain b/lean-toolchain
index 067c06f9e0..5591fb1f41 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2024-07-17
+leanprover/lean4-pr-releases:pr-release-4787