diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version
index 187756851c78..90194ec60386 100644
--- a/src/tools/miri/rust-version
+++ b/src/tools/miri/rust-version
@@ -1 +1 @@
-5baf1e13f568b61e121953bf6a3d09faee7dd446
+b688d53a1736c17e49328a706a90829a9937a91a