diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version
index 65d540888333..8bbded32c3ed 100644
--- a/src/tools/miri/rust-version
+++ b/src/tools/miri/rust-version
@@ -1 +1 @@
-3cd8fcbf87bd28a1f31be000ca906fb66f4d451d
+1c9837df1dde9b234229709e89b3672bd3cf04a4