diff --git a/third_party/urcu/external.bzl b/third_party/urcu/external.bzl
new file mode 100644
index 0000000..df78388
--- /dev/null
+++ b/third_party/urcu/external.bzl
@@ -0,0 +1,16 @@
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+def urcu_external(name, version):
+    sums = {
+        "0.14.0": "sha256-QvtRKaP//lpLeQ3+HqOnNMae4JX++/ZJMmJpu6lMJi0=",
+    }
+
+    http_archive(
+        name = name,
+        integrity = sums[version],
+        strip_prefix = "userspace-rcu-" + version,
+        build_file = "@//third_party/urcu:urcu.bzl",
+        patch_args = ["-p1"],
+        patches = ["//third_party/urcu/patches:generated-files.patch"],
+        urls = ["https://github.com/urcu/userspace-rcu/archive/refs/tags/v%s.tar.gz" % version],
+    )