diff --git a/lean-toolchain b/lean-toolchain
index 63bd20987e..1b2d23c360 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2024-06-05
+leanprover/lean4:nightly-2024-06-06