diff --git a/CMakeLists.txt b/CMakeLists.txt
index 117bc9f..c4e7bf8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,18 @@
-cmake_minimum_required (VERSION 3.4)
+cmake_minimum_required (VERSION 3.16)
+
+# Copyright (c) 2023-2024, ARM Limited.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License");
+#    you may not use this file except in compliance with the License.
+#    You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
 
 set(CMAKE_INSTALL_PREFIX ".")
 project(tosa_tools LANGUAGES CXX)
diff --git a/reference_model/CMakeLists.txt b/reference_model/CMakeLists.txt
index 538c50b..41e4d57 100644
--- a/reference_model/CMakeLists.txt
+++ b/reference_model/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 3.4)
+cmake_minimum_required (VERSION 3.16)
 
 # Copyright (c) 2020-2024, ARM Limited.
 #
diff --git a/reference_model/custom_op_example/CMakeLists.txt b/reference_model/custom_op_example/CMakeLists.txt
index aea8071..b16ffec 100644
--- a/reference_model/custom_op_example/CMakeLists.txt
+++ b/reference_model/custom_op_example/CMakeLists.txt
@@ -1,6 +1,6 @@
-cmake_minimum_required (VERSION 3.4)
+cmake_minimum_required (VERSION 3.16)
 
-# Copyright (c) 2023, ARM Limited.
+# Copyright (c) 2023-2024, ARM Limited.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License");
 #    you may not use this file except in compliance with the License.
diff --git a/thirdparty/CMakeLists.txt b/thirdparty/CMakeLists.txt
index aa6c43d..df9caee 100644
--- a/thirdparty/CMakeLists.txt
+++ b/thirdparty/CMakeLists.txt
@@ -1,4 +1,6 @@
-cmake_minimum_required (VERSION 3.4)
+cmake_minimum_required (VERSION 3.16)
+
+cmake_policy(SET CMP0135 NEW)
 
 # fetch 3rd party libraries
 include(FetchContent)