diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version
index 7ca7acb3fd70..a9394819541f 100644
--- a/src/tools/miri/rust-version
+++ b/src/tools/miri/rust-version
@@ -1 +1 @@
-ca98d4d4b3114116203699c2734805547df86f9a
+688ea65df6a47866d0f72a00f1e18b47a7edf83b