diff --git a/Cargo.lock b/Cargo.lock
index 07c354a332416..de0066879e179 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4475,7 +4475,7 @@ dependencies = [
 
 [[package]]
 name = "rustfmt-nightly"
-version = "1.4.15"
+version = "1.4.17"
 dependencies = [
  "annotate-snippets",
  "bytecount",
diff --git a/src/tools/rustfmt b/src/tools/rustfmt
index aedff61f7ac4f..de8238c618c15 160000
--- a/src/tools/rustfmt
+++ b/src/tools/rustfmt
@@ -1 +1 @@
-Subproject commit aedff61f7ac4fc2b287ff76d33f2584e1f63a3af
+Subproject commit de8238c618c1541fac06931a1b7056f283664e55