diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version
index 2c9a861e66e..b0910b8116e 100644
--- a/src/tools/miri/rust-version
+++ b/src/tools/miri/rust-version
@@ -1 +1 @@
-d9a2cc4daee38c63b2f69710ed61d40acc32b709
+acb4e8b6251f1d8da36f08e7a70fa23fc581839e