diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version
index e11b055b8139..e267b08d0829 100644
--- a/src/tools/miri/rust-version
+++ b/src/tools/miri/rust-version
@@ -1 +1 @@
-84c47b8279b39e165dfebeb529eb6d92592e4f8d
+439292bc7913399e406d9bb7e8da0f70c6317c6e