diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version
index 69a56ffdc9b3..6a74011a36ff 100644
--- a/src/tools/miri/rust-version
+++ b/src/tools/miri/rust-version
@@ -1 +1 @@
-55d436467c351b56253deeba209ae2553d1c243f
+77ec48f5642ee1aa451d270f11f308c297f55f76