diff --git a/library/compiler-builtins/.gitmodules b/library/compiler-builtins/.gitmodules
index a71118ff93e7..726b1c5c67c9 100644
--- a/library/compiler-builtins/.gitmodules
+++ b/library/compiler-builtins/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "libm"]
 	path = libm
-	url = https://github.com/rust-lang-nursery/libm
+	url = https://github.com/rust-lang/libm.git