diff --git a/.gitmodules b/.gitmodules
index 5c0ab737f63dbd7da7c41695f382a9a2a275f1b6..96ac46f714f102393e389f12e3443177d6efe6f0 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -36,8 +36,8 @@
 	url = https://github.com/rust-lang/edition-guide.git
 [submodule "src/llvm-project"]
 	path = src/llvm-project
-	url = https://github.com/rust-lang/llvm-project.git
-	branch = rustc/10.0-2020-05-05
+	url = https://gitlab.redox-os.org/redox-os/llvm-project.git
+	branch = redox-2020-07-27
 [submodule "src/doc/embedded-book"]
 	path = src/doc/embedded-book
 	url = https://github.com/rust-embedded/book.git