diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version
index da89b71ccd53..6f8ad244fa28 100644
--- a/src/tools/miri/rust-version
+++ b/src/tools/miri/rust-version
@@ -1 +1 @@
-0646a5d1aa3745cb448db247f6fa432890a1812b
+a5e2eca40ec17f17b6641bcc7c069380ac395acf