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 e90cdbb13592537faa74e522a90db5f860c2e61a..7bb17cac3f361d64c5174c58a9d12a7c1de4203e 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 211bef5fa4e952cf57bc0dd6c5c992dba372cd74..879cb6f4898b6ad27ec4315716d51362b69cf9f7
--- 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 de4044cb130c8d01a15e8fdc28b3be65435da69a..86e634ed6388be62f6d45027742922472f3bda95
--- 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 e5a509c8650282695e5de70ba516db6a6dd42ae6..20d0800787ec06cb71d4ad62f680cac228d37d49
--- 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 30bd53bad981b41eee97f5ebde4e1220140f6110..317d01038c912af3b5e6edca8d2691dad5a73c37
--- 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