diff --git a/inc/gpio.hpp b/inc/gpio.hpp
index 6387c93..98df21b 100644
--- a/inc/gpio.hpp
+++ b/inc/gpio.hpp
@@ -14,5 +14,8 @@
 // limitations under the License.
 */
 #pragma once
+
+#include <sdbusplus/bus.hpp>
+
 int configGpio(const char* gpioName, int* fd, sdbusplus::bus::bus& bus);
-void closeGpio(int fd);
\ No newline at end of file
+void closeGpio(int fd);