diff --git a/examples/grpc/clientguide/client/CMakeLists.txt b/examples/grpc/clientguide/client/CMakeLists.txt
index 225a37ee..246cd818 100644
--- a/examples/grpc/clientguide/client/CMakeLists.txt
+++ b/examples/grpc/clientguide/client/CMakeLists.txt
@@ -1,5 +1,6 @@
 # Copyright (C) 2024 The Qt Company Ltd.
 # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+cmake_minimum_required(VERSION 3.16)
 
 #! [0]
 set(proto_files "${CMAKE_CURRENT_LIST_DIR}/../proto/clientguide.proto")
diff --git a/examples/grpc/clientguide/server/CMakeLists.txt b/examples/grpc/clientguide/server/CMakeLists.txt
index e9062c11..6f500ee0 100644
--- a/examples/grpc/clientguide/server/CMakeLists.txt
+++ b/examples/grpc/clientguide/server/CMakeLists.txt
@@ -1,5 +1,6 @@
 # Copyright (C) 2024 The Qt Company Ltd.
 # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+cmake_minimum_required(VERSION 3.16)
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)