diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version
index cf698c31801f..cbaa740e52f5 100644
--- a/src/tools/miri/rust-version
+++ b/src/tools/miri/rust-version
@@ -1 +1 @@
-d86e1229411c086e1267c80dd9872959ca13b8b9
+caa187f3bc9604c78dfbc3ffabbe1372cb528639