diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version
index c0561119a90d..1d9062874c22 100644
--- a/src/tools/miri/rust-version
+++ b/src/tools/miri/rust-version
@@ -1 +1 @@
-70540d51275086ce1a4cb12e9d96a97134df792e
+43a78029b4f4d92978b8fde0a677ea300b113c41