diff --git a/subprojects/dhcp-done/update-dhcp-status.cpp b/subprojects/dhcp-done/update-dhcp-status.cpp
new file mode 100644
index 0000000..b23706e
--- /dev/null
+++ b/subprojects/dhcp-done/update-dhcp-status.cpp
@@ -0,0 +1,63 @@
+#include "file-io.hpp"
+
+#include <stdplus/print.hpp>
+
+#include <cstring>
+#include <iostream>
+
+static void printUsage()
+{
+    stdplus::println(stderr, "Usage: update_dhcp_status <state> <message>");
+    stdplus::println(stderr,
+                     "<state> is one of 'DONE', 'POWERCYCLE' or 'ONGOING'");
+}
+
+static int genStatusCode(char* state)
+{
+    if (std::strcmp(state, "DONE") == 0)
+    {
+        return 0;
+    }
+    else if (std::strcmp(state, "POWERCYCLE") == 0)
+    {
+        return 1;
+    }
+    else if (std::strcmp(state, "ONGOING") == 0)
+    {
+        return 2;
+    }
+
+    return -1;
+}
+
+int main(int argc, char* argv[])
+{
+    if (argc != 3)
+    {
+        printUsage();
+        return 1;
+    }
+
+    int statusCode = genStatusCode(argv[1]);
+
+    if (statusCode == -1)
+    {
+        printUsage();
+        return 1;
+    }
+
+    try
+    {
+        std::string status;
+        status.push_back(statusCode);
+        status.append(argv[2]);
+        fileWrite(statusFile, status);
+    }
+    catch (const std::exception& e)
+    {
+        stdplus::println(stderr, "Failed to update status file {}", e.what());
+        return 1;
+    }
+
+    return 0;
+}