diff --git a/build/linux_kernel/BUILD b/build/linux_kernel/BUILD
new file mode 100644
index 0000000..b5665e2
--- /dev/null
+++ b/build/linux_kernel/BUILD
@@ -0,0 +1,28 @@
+genrule(
+    name = "image",
+    srcs = [
+        "@linux_kernel//:all",
+        "@//cmd/init",
+        "@//build/utils",
+        "initramfs.list",
+        "linux-smalltown.config",
+    ],
+    outs = [
+        "bzImage",
+    ],
+    cmd = """
+    DIR=external/linux_kernel
+
+    mkdir $$DIR/.bin
+
+    cp $(location linux-smalltown.config) $$DIR/.config
+    cp $(location @//cmd/init) $$DIR/.bin/init
+    cp $(locations @//build/utils) $$DIR/.bin/
+    cp $(location initramfs.list) $$DIR/initramfs.list
+
+    (cd $$DIR && make -j 16) >/dev/null
+
+    cp $$DIR/arch/x86/boot/bzImage $(RULEDIR)
+    """,
+    visibility = ["//visibility:public"],
+)