diff --git a/src/wscutil.c b/src/wscutil.c
index 602e3333..0a508222 100644
--- a/src/wscutil.c
+++ b/src/wscutil.c
@@ -1938,6 +1938,13 @@ static void build_request_type(struct wsc_attr_builder *builder,
 	wsc_attr_builder_put_u8(builder, type);
 }
 
+static void build_response_type(struct wsc_attr_builder *builder,
+						enum wsc_response_type type)
+{
+	wsc_attr_builder_start_attr(builder, WSC_ATTR_RESPONSE_TYPE);
+	wsc_attr_builder_put_u8(builder, type);
+}
+
 static void build_rf_bands(struct wsc_attr_builder *builder, uint8_t rf_bands)
 {
 	wsc_attr_builder_start_attr(builder, WSC_ATTR_RF_BANDS);
@@ -2071,6 +2078,27 @@ done:
 	return ret;
 }
 
+uint8_t *wsc_build_association_response(
+		const struct wsc_association_response *association_response,
+		size_t *out_len)
+{
+	struct wsc_attr_builder *builder;
+	uint8_t *ret;
+
+	builder = wsc_attr_builder_new(128);
+	build_version(builder, 0x10);
+	build_response_type(builder, association_response->response_type);
+
+	if (!association_response->version2)
+		goto done;
+
+	START_WFA_VENDOR_EXTENSION();
+
+done:
+	ret = wsc_attr_builder_free(builder, false, out_len);
+	return ret;
+}
+
 uint8_t *wsc_build_m1(const struct wsc_m1 *m1, size_t *out_len)
 {
 	struct wsc_attr_builder *builder;
diff --git a/src/wscutil.h b/src/wscutil.h
index dc575b47..aa950cfb 100644
--- a/src/wscutil.h
+++ b/src/wscutil.h
@@ -593,6 +593,9 @@ uint8_t *wsc_build_probe_request(const struct wsc_probe_request *probe_request,
 uint8_t *wsc_build_association_request(
 		const struct wsc_association_request *association_request,
 		size_t *out_len);
+uint8_t *wsc_build_association_response(
+		const struct wsc_association_response *association_response,
+		size_t *out_len);
 
 uint8_t *wsc_build_m1(const struct wsc_m1 *m1, size_t *out_len);
 uint8_t *wsc_build_m2(const struct wsc_m2 *m2, size_t *out_len);