diff --git a/repos/rust-lang/compiler-builtins.toml b/repos/rust-lang/compiler-builtins.toml
index da19871ae..3c1b504a3 100644
--- a/repos/rust-lang/compiler-builtins.toml
+++ b/repos/rust-lang/compiler-builtins.toml
@@ -7,6 +7,6 @@ bots = []
 crate-maintainers = "maintain"
 
 [[branch-protections]]
-pattern = "master"
+pattern = "main"
 ci-checks = ["success"]
 required-approvals = 0