diff --git a/third_party/musl/external.bzl b/third_party/musl/external.bzl
new file mode 100644
index 0000000..b9b4f83
--- /dev/null
+++ b/third_party/musl/external.bzl
@@ -0,0 +1,32 @@
+#  Copyright 2020 The Monogon Project Authors.
+#
+#  SPDX-License-Identifier: Apache-2.0
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+def musl_external(name, version):
+    sums = {
+        "1.1.24": "1370c9a812b2cf2a7d92802510cca0058cc37e66a7bedd70051f0a34015022a3"
+    }
+    all_content = """filegroup(name = "all", srcs = glob(["**"]), visibility = ["//visibility:public"])"""
+
+    http_archive(
+        name = name,
+        build_file_content = all_content,
+        sha256 = sums[version],
+        strip_prefix = "musl-" + version,
+        urls = ["https://www.musl-libc.org/releases/musl-%s.tar.gz" % version],
+    )
+