diff --git a/Cargo.lock b/Cargo.lock
index 26727c5c1db..161c9d3aade 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2213,6 +2213,7 @@ dependencies = [
  "rand 0.7.0",
  "rustc-workspace-hack",
  "rustc_version",
+ "serde",
  "shell-escape",
  "vergen",
 ]
diff --git a/src/tools/miri b/src/tools/miri
index a0ba079b6af..048af409232 160000
--- a/src/tools/miri
+++ b/src/tools/miri
@@ -1 +1 @@
-Subproject commit a0ba079b6af0f8c07c33dd8af72a51c997e58967
+Subproject commit 048af409232fc2d7f8fbe5469080dc8bb702c498