diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version
index a6ccd9bab393..f805775e2768 100644
--- a/src/tools/miri/rust-version
+++ b/src/tools/miri/rust-version
@@ -1 +1 @@
-b6fdaf2a15736cbccf248b532f48e33179614d40
+63f4513795b198d034f5d19962659ea488163755