diff --git a/.gitmodules b/.gitmodules
index 60ccf9375ee3e..e22d576279042 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -34,7 +34,7 @@
 [submodule "src/llvm-project"]
 	path = src/llvm-project
 	url = https://github.com/rust-lang/llvm-project.git
-	branch = rustc/12.0-2021-07-10
+	branch = rustc/13.0-2021-08-08
 [submodule "src/doc/embedded-book"]
 	path = src/doc/embedded-book
 	url = https://github.com/rust-embedded/book.git
diff --git a/src/llvm-project b/src/llvm-project
index 260e0f8682098..e6c5dd473b7da 160000
--- a/src/llvm-project
+++ b/src/llvm-project
@@ -1 +1 @@
-Subproject commit 260e0f8682098faab68af9c608534756ad378365
+Subproject commit e6c5dd473b7da567dc20ed3a635ca4dd2c6b7fb6