diff --git a/BUILD.gn b/BUILD.gn
index b078ac0b1af8607966978bd6775a2d2787035b01..ed2293f13d408bb607565e55e2dd1dab73145156 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Huawei Device Co., Ltd.
+# Copyright (c) 2022 Huawei Device Co., Ltd.
 # 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
diff --git a/OAT.xml b/OAT.xml
index a6a83298fd4d48336c9aad4b07eb0805c529e6a1..e7e6d50118b84f7ab26fe67363cc9d18d07f8e4c 100644
--- a/OAT.xml
+++ b/OAT.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Copyright (c) 2021 Huawei Device Co., Ltd.
-
+<!-- Copyright (c) 2022 Huawei Device Co., Ltd.
      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
diff --git a/README.OpenSource b/README.OpenSource
old mode 100755
new mode 100644
diff --git a/engine.gni b/engine.gni
index f13ae05d5306686a367244cf7b91fe61712c2ffb..35b3e8b63991ca60240d0c6a8aebdcd2c0182b96 100644
--- a/engine.gni
+++ b/engine.gni
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Huawei Device Co., Ltd.
+# Copyright (c) 2022 Huawei Device Co., Ltd.
 # 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
diff --git a/jerry-core/BUILD.gn b/jerry-core/BUILD.gn
old mode 100755
new mode 100644
index 45ff49f28704034bf285d6f94ac6596235e1bffe..18ee5728507c17c7bcec631cda615bc0b8b688a1
--- a/jerry-core/BUILD.gn
+++ b/jerry-core/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Huawei Device Co., Ltd.
+# Copyright (c) 2022 Huawei Device Co., Ltd.
 # 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
diff --git a/jerry-core/CMakeLists.txt b/jerry-core/CMakeLists.txt
old mode 100755
new mode 100644
diff --git a/jerry-core/api/external-context-helpers.c b/jerry-core/api/external-context-helpers.c
old mode 100755
new mode 100644
diff --git a/jerry-core/api/generate-bytecode.c b/jerry-core/api/generate-bytecode.c
old mode 100755
new mode 100644
diff --git a/jerry-core/api/generate-bytecode.h b/jerry-core/api/generate-bytecode.h
old mode 100755
new mode 100644
diff --git a/jerry-core/api/jerry.c b/jerry-core/api/jerry.c
old mode 100755
new mode 100644
diff --git a/jerry-core/api/jerryscript_adapter.c b/jerry-core/api/jerryscript_adapter.c
index 9b10273551014ab0d713d8f4583ff01f55f9c5e9..aaf134dbce39edae9750df5a68d1c10927c77216 100644
--- a/jerry-core/api/jerryscript_adapter.c
+++ b/jerry-core/api/jerryscript_adapter.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
  * 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
diff --git a/jerry-core/config.h b/jerry-core/config.h
old mode 100755
new mode 100644
diff --git a/jerry-core/ecma/base/ecma-globals.h b/jerry-core/ecma/base/ecma-globals.h
old mode 100755
new mode 100644
diff --git a/jerry-core/ext/debug-utils.c b/jerry-core/ext/debug-utils.c
old mode 100755
new mode 100644
diff --git a/jerry-core/ext/debug-utils.h b/jerry-core/ext/debug-utils.h
old mode 100755
new mode 100644
diff --git a/jerry-core/include/jerryscript.h b/jerry-core/include/jerryscript.h
old mode 100755
new mode 100644
diff --git a/jerry-core/include/jerryscript_adapter.h b/jerry-core/include/jerryscript_adapter.h
old mode 100755
new mode 100644
diff --git a/jerry-core/jcontext/jcontext.c b/jerry-core/jcontext/jcontext.c
old mode 100755
new mode 100644
diff --git a/jerry-core/jcontext/jcontext.h b/jerry-core/jcontext/jcontext.h
old mode 100755
new mode 100644
diff --git a/jerry-core/parser/js/js-parser-statm.c b/jerry-core/parser/js/js-parser-statm.c
old mode 100755
new mode 100644
diff --git a/jerry-core/parser/js/js-parser-util.c b/jerry-core/parser/js/js-parser-util.c
old mode 100755
new mode 100644
diff --git a/jerry-core/parser/js/js-parser.c b/jerry-core/parser/js/js-parser.c
old mode 100755
new mode 100644
diff --git a/jerry-core/parser/js/js-parser.h b/jerry-core/parser/js/js-parser.h
old mode 100755
new mode 100644
diff --git a/jerry-core/vm/vm.c b/jerry-core/vm/vm.c
old mode 100755
new mode 100644
diff --git a/jerry-debugger/jerry_client.py b/jerry-debugger/jerry_client.py
old mode 100755
new mode 100644
diff --git a/jerry-ext/BUILD.gn b/jerry-ext/BUILD.gn
old mode 100755
new mode 100644
index 4efd8ec6c7baa9b0cc9d48251964725d35635c45..b964b08fa0a06321835a28e0859ecca9c2038097
--- a/jerry-ext/BUILD.gn
+++ b/jerry-ext/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Huawei Device Co., Ltd.
+# Copyright (c) 2022 Huawei Device Co., Ltd.
 # 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
diff --git a/jerry-ext/arg/arg.c b/jerry-ext/arg/arg.c
old mode 100755
new mode 100644
diff --git a/jerry-ext/debugger/debugger-tcp.c b/jerry-ext/debugger/debugger-tcp.c
old mode 100755
new mode 100644
diff --git a/jerry-ext/module/module.c b/jerry-ext/module/module.c
old mode 100755
new mode 100644
diff --git a/jerry-libm/BUILD.gn b/jerry-libm/BUILD.gn
old mode 100755
new mode 100644
index c4c24e1d1470f6ee8e21f7dd9fd9c0b3f39413d2..518ecec60640a8409faa6a53c3c54937f00de31c
--- a/jerry-libm/BUILD.gn
+++ b/jerry-libm/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Huawei Device Co., Ltd.
+# Copyright (c) 2022 Huawei Device Co., Ltd.
 # 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
diff --git a/jerry-port/config-gt.h b/jerry-port/config-gt.h
old mode 100755
new mode 100644
diff --git a/jerry-port/default/BUILD.gn b/jerry-port/default/BUILD.gn
old mode 100755
new mode 100644
index 7df0d7c4fd6eb3cfbdd08f4760802c10b47858ad..ce00a620397e3c388242f7ef6c653638161f1818
--- a/jerry-port/default/BUILD.gn
+++ b/jerry-port/default/BUILD.gn
@@ -1,4 +1,4 @@
-# Copyright (c) 2020 Huawei Device Co., Ltd.
+# Copyright (c) 2022 Huawei Device Co., Ltd.
 # 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
diff --git a/jerry-port/default/default-date.c b/jerry-port/default/default-date.c
old mode 100755
new mode 100644
diff --git a/jerry-port/default/default-external-context.c b/jerry-port/default/default-external-context.c
old mode 100755
new mode 100644
diff --git a/jerry-port/default/default-fatal.c b/jerry-port/default/default-fatal.c
old mode 100755
new mode 100644
diff --git a/targets/curie_bsp/setup.py b/targets/curie_bsp/setup.py
old mode 100755
new mode 100644
diff --git a/tools/build.py b/tools/build.py
old mode 100755
new mode 100644
diff --git a/tools/check-license.py b/tools/check-license.py
old mode 100755
new mode 100644
diff --git a/tools/gen-doctest.py b/tools/gen-doctest.py
old mode 100755
new mode 100644
diff --git a/tools/gen-magic-strings.py b/tools/gen-magic-strings.py
old mode 100755
new mode 100644
diff --git a/tools/gen-unicode.py b/tools/gen-unicode.py
old mode 100755
new mode 100644
diff --git a/tools/heaplimit_measure.py b/tools/heaplimit_measure.py
old mode 100755
new mode 100644
diff --git a/tools/js2c.py b/tools/js2c.py
old mode 100755
new mode 100644
diff --git a/tools/run-tests.py b/tools/run-tests.py
old mode 100755
new mode 100644
diff --git a/tools/runners/run-test-suite-test262.py b/tools/runners/run-test-suite-test262.py
old mode 100755
new mode 100644
diff --git a/tools/runners/run-unittests.py b/tools/runners/run-unittests.py
old mode 100755
new mode 100644
diff --git a/tools/settings.py b/tools/settings.py
old mode 100755
new mode 100644