diff --git a/lib/data/build.py b/lib/data/build.py
new file mode 100644
index 00000000..8602091b
--- /dev/null
+++ b/lib/data/build.py
@@ -0,0 +1,14 @@
+from build.c import cxxlibrary
+
+cxxlibrary(
+    name="data",
+    srcs=["./fluxmap.cc", "./sector.cc", "./layout.cc", "./image.cc"],
+    hdrs={
+        "lib/data/flux.h": "./flux.h",
+        "lib/data/fluxmap.h": "./fluxmap.h",
+        "lib/data/sector.h": "./sector.h",
+        "lib/data/layout.h": "./layout.h",
+        "lib/data/image.h": "./image.h",
+    },
+    deps=["lib/core", "lib/config", "+protocol"],
+)