diff --git a/modules/hostap/CMakeLists.txt b/modules/hostap/CMakeLists.txt
index 9a0fd21d2cb..e1bd8c6c232 100644
--- a/modules/hostap/CMakeLists.txt
+++ b/modules/hostap/CMakeLists.txt
@@ -106,6 +106,7 @@ zephyr_library_sources(
 	${HOSTAP_SRC_BASE}/drivers/driver_common.c
 	${HOSTAP_SRC_BASE}/drivers/drivers.c
 	${HOSTAP_SRC_BASE}/utils/crc32.c
+	${HOSTAP_SRC_BASE}/utils/base64.c
 	${HOSTAP_SRC_BASE}/utils/common.c
 	${HOSTAP_SRC_BASE}/utils/wpabuf.c
 	${HOSTAP_SRC_BASE}/utils/bitfield.c