diff --git a/buildkite/bazelci.py b/buildkite/bazelci.py
index e3919ffc12..f13e660a79 100755
--- a/buildkite/bazelci.py
+++ b/buildkite/bazelci.py
@@ -298,7 +298,7 @@
     },
     "rules_foreign_cc": {
         "git_repository": "https://github.com/bazelbuild/rules_foreign_cc.git",
-        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_foreign_cc/master/.bazelci/config.yaml",
+        "http_config": "https://raw.githubusercontent.com/bazelbuild/rules_foreign_cc/main/.bazelci/config.yaml",
         "pipeline_slug": "rules-foreign-cc",
         "owned_by_bazel": True,
     },