diff --git a/smc_fuzz/include/sdei_fuzz_helper.h b/smc_fuzz/include/sdei_fuzz_helper.h
index 22c961d..b05cb91 100644
--- a/smc_fuzz/include/sdei_fuzz_helper.h
+++ b/smc_fuzz/include/sdei_fuzz_helper.h
@@ -4,6 +4,9 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
+#include <stdlib.h>
+#include <time.h>
+
 #include <fuzz_helper.h>
 #include "smcmalloc.h"
 
diff --git a/smc_fuzz/include/vendor_fuzz_helper.h b/smc_fuzz/include/vendor_fuzz_helper.h
new file mode 100644
index 0000000..106df12
--- /dev/null
+++ b/smc_fuzz/include/vendor_fuzz_helper.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2024, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <time.h>
+
+#include <fuzz_helper.h>
+#include "smcmalloc.h"
+
+#include <power_management.h>
+#include <sdei.h>
+#include <test_helpers.h>
+#include <tftf_lib.h>
+#include <timer.h>
+
+#ifndef ven_el3_svc_uuid_funcid
+#define ven_el3_svc_uuid_funcid 0
+#endif
+#ifndef ven_el3_svc_count_funcid
+#define ven_el3_svc_count_funcid 0
+#endif
+#ifndef ven_el3_svc_version_funcid
+#define ven_el3_svc_version_funcid 0
+#endif
+
+void run_ven_el3_fuzz(int funcid, struct memmod *mmod);