diff --git a/.b4-config b/.b4-config
new file mode 100644
index 0000000000..1943458f2f
--- /dev/null
+++ b/.b4-config
@@ -0,0 +1,7 @@
+# Configuration for the `b4` tool
+# See https://b4.docs.kernel.org/en/latest/config.html
+[b4]
+    send-series-to = buildroot@buildroot.org
+    send-auto-cc-cmd = "./utils/get-developers -e -"
+
+# vim: set filetype=gitconfig: