diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version
index a60acf44a40..9b0b1c8d230 100644
--- a/src/tools/miri/rust-version
+++ b/src/tools/miri/rust-version
@@ -1 +1 @@
-c8d19a92aa9022eb690899cf6d54fd23cb6877e5
+aca749eefceaed0cda19a7ec5e472fce9387bc00