diff --git a/NOTICE b/NOTICE
index c32f1a01d..dfa7e800a 100644
--- a/NOTICE
+++ b/NOTICE
@@ -1,5 +1,5 @@
 EMQ X, highly scalable, highly available distributed MQTT messaging platform for IoT.
-Copyright (c) 2017-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
+Copyright (c) 2017-2022 EMQ Technologies Co., Ltd. All Rights Reserved.
 
 This product contains code developed at EMQ Technologies Co., Ltd.
 Visit https://www.emqx.come to learn more.
diff --git a/apps/emqx/NOTICE b/apps/emqx/NOTICE
index c32f1a01d..dfa7e800a 100644
--- a/apps/emqx/NOTICE
+++ b/apps/emqx/NOTICE
@@ -1,5 +1,5 @@
 EMQ X, highly scalable, highly available distributed MQTT messaging platform for IoT.
-Copyright (c) 2017-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
+Copyright (c) 2017-2022 EMQ Technologies Co., Ltd. All Rights Reserved.
 
 This product contains code developed at EMQ Technologies Co., Ltd.
 Visit https://www.emqx.come to learn more.
diff --git a/apps/emqx_exhook/priv/protos/exhook.proto b/apps/emqx_exhook/priv/protos/exhook.proto
index ef9e7a843..d77938494 100644
--- a/apps/emqx_exhook/priv/protos/exhook.proto
+++ b/apps/emqx_exhook/priv/protos/exhook.proto
@@ -1,5 +1,5 @@
 //------------------------------------------------------------------------------
-// Copyright (c) 2020-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
+// Copyright (c) 2020-2022 EMQ Technologies Co., Ltd. All Rights Reserved.
 //
 // 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/apps/emqx_gateway/src/exproto/protos/exproto.proto b/apps/emqx_gateway/src/exproto/protos/exproto.proto
index bbc10073c..7d62c484e 100644
--- a/apps/emqx_gateway/src/exproto/protos/exproto.proto
+++ b/apps/emqx_gateway/src/exproto/protos/exproto.proto
@@ -1,5 +1,5 @@
 //------------------------------------------------------------------------------
-// Copyright (c) 2020-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
+// Copyright (c) 2020-2022 EMQ Technologies Co., Ltd. All Rights Reserved.
 //
 // 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/apps/emqx_rule_engine/README.md b/apps/emqx_rule_engine/README.md
index 0b1ddd848..be5296629 100644
--- a/apps/emqx_rule_engine/README.md
+++ b/apps/emqx_rule_engine/README.md
@@ -36,15 +36,3 @@ iot rule "Rule Name"
 ```
 select id, time, temperature as t from "topic/a" where t > 50;
 ```
-
-## License
-
-Copyright (c) 2019-2021 [EMQ Technologies Co., Ltd](https://emqx.io). All Rights Reserved.
-
-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](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.
-
diff --git a/scripts/update-copyright-years.sh b/scripts/update-copyright-years.sh
index 3665065db..a3e4f3aa3 100755
--- a/scripts/update-copyright-years.sh
+++ b/scripts/update-copyright-years.sh
@@ -8,29 +8,32 @@ THIS_YEAR="$(date +'%Y')"
 
 fix_copyright_year() {
     local file="$1"
-    if [[ $file != *.erl ]] && \
-       [[ $file != *.ex ]] && \
-       [[ $file != *.hrl ]] && \
-       [[ $file != *.proto ]]; then
-        ## Ignore other file
-        return 0
-    fi
     local copyright_line
     copyright_line="$(head -2 "$file" | grep -E "Copyright\s\(c\)\s.+\sEMQ" || true)"
-    local begin_year
-    begin_year="$(echo "$copyright_line" | sed -E 's#%% Copyright \(c\) (20..).*#\1#g')"
-    if [ "$begin_year" = "$THIS_YEAR" ]; then
-        ## new file added this year
-        return 0
-    fi
     if [ -z "$copyright_line" ]; then
         ## No Copyright info, it is not intended to add one from this script
         echo "Ignored $file"
         return 0
     fi
-    sed -E "s#(%% Copyright \(c\) 20..)(-20.. | )(.*)#\1-$THIS_YEAR \3#g" -i "$file"
+    local begin_year
+    begin_year="$(echo "$copyright_line" | sed -E 's#(.*Copyright \(c\)) (20..).*#\2#g')"
+    if [ "$begin_year" = "$THIS_YEAR" ]; then
+        ## new file added this year
+        return 0
+    fi
+    sed -E "s#(.*Copyright \(c\) 20..)(-20.. | )(.*)#\1-$THIS_YEAR \3#g" -i "$file"
 }
 
 while read -r file; do
+    if [[ $file != *.erl ]] && \
+       [[ $file != *.ex ]] && \
+       [[ $file != *.hrl ]] && \
+       [[ $file != *.proto ]]; then
+        ## Ignore other file
+        continue
+    fi
     fix_copyright_year "$file"
 done < <(git ls-files)
+
+fix_copyright_year apps/emqx/NOTICE
+fix_copyright_year NOTICE