diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version
index 0d889a5d5b99..5b47d1bbaed7 100644
--- a/src/tools/miri/rust-version
+++ b/src/tools/miri/rust-version
@@ -1 +1 @@
-e42bbfe1f7c26f8760a99c4b1f27d33aba1040bb
+a8e4c68dcb4dc1e48a0db294c5323cab0227fcb9