diff --git a/COPYING_NOTES.md b/COPYING_NOTES.md
new file mode 100644
index 0000000..58ff1d2
--- /dev/null
+++ b/COPYING_NOTES.md
@@ -0,0 +1,91 @@
+# Copying
+The MIT License (MIT)
+
+Copyright (c) 2020 James Houlahan
+Copyright (c) 2022 Proton AG
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+
+# Dependencies
+Go Proton API includes the following 3rd party software:
+
+* [The Go Project libraries](https://golang.org/project/) | Available under [BSD license](https://golang.org/LICENSE)
+
+<!-- START AUTOGEN -->
+* [semver](https://github.com/Masterminds/semver/v3) available under [license](https://github.com/Masterminds/semver/v3/blob/master/LICENSE) 
+* [gluon](https://github.com/ProtonMail/gluon) available under [license](https://github.com/ProtonMail/gluon/blob/master/LICENSE) 
+* [go-crypto](https://github.com/ProtonMail/go-crypto) available under [license](https://github.com/ProtonMail/go-crypto/blob/master/LICENSE) 
+* [go-srp](https://github.com/ProtonMail/go-srp) available under [license](https://github.com/ProtonMail/go-srp/blob/master/LICENSE) 
+* [gopenpgp](https://github.com/ProtonMail/gopenpgp/v2) available under [license](https://github.com/ProtonMail/gopenpgp/v2/blob/master/LICENSE) 
+* [goquery](https://github.com/PuerkitoBio/goquery) available under [license](https://github.com/PuerkitoBio/goquery/blob/master/LICENSE) 
+* [juniper](https://github.com/bradenaw/juniper) available under [license](https://github.com/bradenaw/juniper/blob/master/LICENSE) 
+* [go-message](https://github.com/emersion/go-message) available under [license](https://github.com/emersion/go-message/blob/master/LICENSE) 
+* [go-vcard](https://github.com/emersion/go-vcard) available under [license](https://github.com/emersion/go-vcard/blob/master/LICENSE) 
+* [gin](https://github.com/gin-gonic/gin) available under [license](https://github.com/gin-gonic/gin/blob/master/LICENSE) 
+* [resty](https://github.com/go-resty/resty/v2) available under [license](https://github.com/go-resty/resty/v2/blob/master/LICENSE) 
+* [uuid](https://github.com/google/uuid) available under [license](https://github.com/google/uuid/blob/master/LICENSE) 
+* [logrus](https://github.com/sirupsen/logrus) available under [license](https://github.com/sirupsen/logrus/blob/master/LICENSE) 
+* [testify](https://github.com/stretchr/testify) available under [license](https://github.com/stretchr/testify/blob/master/LICENSE) 
+* [cli](https://github.com/urfave/cli/v2) available under [license](https://github.com/urfave/cli/v2/blob/master/LICENSE) 
+* [goleak](https://go.uber.org/goleak) available under [license](https://pkg.go.dev/go.uber.org/goleak?tab=licenses) 
+* [exp](https://golang.org/x/exp) available under [license](https://cs.opensource.google/go/x/exp/+/master:LICENSE) 
+* [net](https://golang.org/x/net) available under [license](https://cs.opensource.google/go/x/net/+/master:LICENSE) 
+* [text](https://golang.org/x/text) available under [license](https://cs.opensource.google/go/x/text/+/master:LICENSE) 
+* [grpc](https://google.golang.org/grpc) available under [license](https://github.com/grpc/grpc-go/blob/master/LICENSE) 
+* [protobuf](https://google.golang.org/protobuf) available under [license](https://github.com/protocolbuffers/protobuf/blob/main/LICENSE) 
+* [bcrypt](https://github.com/ProtonMail/bcrypt) available under [license](https://github.com/ProtonMail/bcrypt/blob/master/LICENSE) 
+* [go-mime](https://github.com/ProtonMail/go-mime) available under [license](https://github.com/ProtonMail/go-mime/blob/master/LICENSE) 
+* [cascadia](https://github.com/andybalholm/cascadia) available under [license](https://github.com/andybalholm/cascadia/blob/master/LICENSE) 
+* [sonic](https://github.com/bytedance/sonic) available under [license](https://github.com/bytedance/sonic/blob/master/LICENSE) 
+* [base64x](https://github.com/chenzhuoyu/base64x) available under [license](https://github.com/chenzhuoyu/base64x/blob/master/LICENSE) 
+* [circl](https://github.com/cloudflare/circl) available under [license](https://github.com/cloudflare/circl/blob/master/LICENSE) 
+* [go-md2man](https://github.com/cpuguy83/go-md2man/v2) available under [license](https://github.com/cpuguy83/go-md2man/v2/blob/master/LICENSE) 
+* [saferith](https://github.com/cronokirby/saferith) available under [license](https://github.com/cronokirby/saferith/blob/master/LICENSE) 
+* [go-spew](https://github.com/davecgh/go-spew) available under [license](https://github.com/davecgh/go-spew/blob/master/LICENSE) 
+* [go-textwrapper](https://github.com/emersion/go-textwrapper) available under [license](https://github.com/emersion/go-textwrapper/blob/master/LICENSE) 
+* [mimetype](https://github.com/gabriel-vasile/mimetype) available under [license](https://github.com/gabriel-vasile/mimetype/blob/master/LICENSE) 
+* [sse](https://github.com/gin-contrib/sse) available under [license](https://github.com/gin-contrib/sse/blob/master/LICENSE) 
+* [locales](https://github.com/go-playground/locales) available under [license](https://github.com/go-playground/locales/blob/master/LICENSE) 
+* [universal-translator](https://github.com/go-playground/universal-translator) available under [license](https://github.com/go-playground/universal-translator/blob/master/LICENSE) 
+* [validator](https://github.com/go-playground/validator/v10) available under [license](https://github.com/go-playground/validator/v10/blob/master/LICENSE) 
+* [go-json](https://github.com/goccy/go-json) available under [license](https://github.com/goccy/go-json/blob/master/LICENSE) 
+* [protobuf](https://github.com/golang/protobuf) available under [license](https://github.com/golang/protobuf/blob/master/LICENSE) 
+* [go](https://github.com/json-iterator/go) available under [license](https://github.com/json-iterator/go/blob/master/LICENSE) 
+* [cpuid](https://github.com/klauspost/cpuid/v2) available under [license](https://github.com/klauspost/cpuid/v2/blob/master/LICENSE) 
+* [text](https://github.com/kr/text) available under [license](https://github.com/kr/text/blob/master/LICENSE) 
+* [go-urn](https://github.com/leodido/go-urn) available under [license](https://github.com/leodido/go-urn/blob/master/LICENSE) 
+* [go-isatty](https://github.com/mattn/go-isatty) available under [license](https://github.com/mattn/go-isatty/blob/master/LICENSE) 
+* [concurrent](https://github.com/modern-go/concurrent) available under [license](https://github.com/modern-go/concurrent/blob/master/LICENSE) 
+* [reflect2](https://github.com/modern-go/reflect2) available under [license](https://github.com/modern-go/reflect2/blob/master/LICENSE) 
+* [go-toml](https://github.com/pelletier/go-toml/v2) available under [license](https://github.com/pelletier/go-toml/v2/blob/master/LICENSE) 
+* [errors](https://github.com/pkg/errors) available under [license](https://github.com/pkg/errors/blob/master/LICENSE) 
+* [go-difflib](https://github.com/pmezard/go-difflib) available under [license](https://github.com/pmezard/go-difflib/blob/master/LICENSE) 
+* [go-internal](https://github.com/rogpeppe/go-internal) available under [license](https://github.com/rogpeppe/go-internal/blob/master/LICENSE) 
+* [blackfriday](https://github.com/russross/blackfriday/v2) available under [license](https://github.com/russross/blackfriday/v2/blob/master/LICENSE) 
+* [golang-asm](https://github.com/twitchyliquid64/golang-asm) available under [license](https://github.com/twitchyliquid64/golang-asm/blob/master/LICENSE) 
+* [codec](https://github.com/ugorji/go/codec) available under [license](https://github.com/ugorji/go/codec/blob/master/LICENSE) 
+* [smetrics](https://github.com/xrash/smetrics) available under [license](https://github.com/xrash/smetrics/blob/master/LICENSE) 
+* [arch](https://golang.org/x/arch) available under [license](https://cs.opensource.google/go/x/arch/+/master:LICENSE) 
+* [crypto](https://golang.org/x/crypto) available under [license](https://cs.opensource.google/go/x/crypto/+/master:LICENSE) 
+* [sync](https://golang.org/x/sync) available under [license](https://cs.opensource.google/go/x/sync/+/master:LICENSE) 
+* [sys](https://golang.org/x/sys) available under [license](https://cs.opensource.google/go/x/sys/+/master:LICENSE) 
+* [genproto](https://google.golang.org/genproto) available under [license](https://pkg.go.dev/google.golang.org/genproto?tab=licenses) 
+* [yaml](https://gopkg.in/yaml.v3) available under [license](https://github.com/go-yaml/yaml/blob/v3.0.1/LICENSE) 
+<!-- END AUTOGEN -->
diff --git a/utils/dependency_license.sh b/utils/dependency_license.sh
new file mode 100755
index 0000000..9129e5f
--- /dev/null
+++ b/utils/dependency_license.sh
@@ -0,0 +1,84 @@
+#!/bin/bash
+
+set -eo pipefail
+
+src=go.mod
+tgt=COPYING_NOTES.md
+
+STARTAUTOGEN="<!-- START AUTOGEN -->"
+ENDAUTOGEN="<!-- END AUTOGEN -->"
+RE_STARTAUTOGEN="^${STARTAUTOGEN}$"
+RE_ENDAUTOGEN="^${ENDAUTOGEN}$"
+tmpDepLicenses=""
+
+error(){
+    echo "Error: $*"
+    exit 1
+}
+
+generate_dep_licenses(){
+    [ -r $src ] || error "Cannot read file '$src'"
+
+
+    tmpDepLicenses="$(mktemp)"
+
+    # Collect all go.mod lines beginig with tab:
+    # * which no replace
+    # * which have replace
+    grep -E $'^\t[^=>]*$'    $src  | sed -r 's/\t([^ ]*) v.*/\1/g'         > "$tmpDepLicenses"
+    # Replace each line with formated link
+    sed  -i -r '/^github.com\/therecipe\/qt\/internal\/binding\/files\/docs\//d;' "$tmpDepLicenses"
+    sed -i -r 's|^(.*)/([[:alnum:]-]+)/(v[[:digit:]]+)$|* [\2](https://\1/\2/\3)|g' "$tmpDepLicenses"
+    sed -i -r 's|^(.*)/([[:alnum:]-]+)$|* [\2](https://\1/\2)|g' "$tmpDepLicenses"
+    sed -i -r 's|^(.*)/([[:alnum:]-]+).(v[[:digit:]]+)$|* [\2](https://\1/\2.\3)|g' "$tmpDepLicenses"
+
+    ## add license file to github links, and others
+    sed -i -r '/github.com/s|^(.*(https://[^)]+).*)$|\1 available under [license](\2/blob/master/LICENSE) |g' "$tmpDepLicenses"
+    sed -i -r '/golang.org\/x/s|^(.*golang.org/x/([^)]+).*)$|\1 available under [license](https://cs.opensource.google/go/x/\2/+/master:LICENSE) |g' "$tmpDepLicenses"
+    sed -i -r '/google.golang.org\/grpc/s|^(.*)$|\1 available under [license](https://github.com/grpc/grpc-go/blob/master/LICENSE) |g' "$tmpDepLicenses"
+    sed -i -r '/google.golang.org\/protobuf/s|^(.*)$|\1 available under [license](https://github.com/protocolbuffers/protobuf/blob/main/LICENSE) |g' "$tmpDepLicenses"
+    sed -i -r '/google.golang.org\/genproto/s|^(.*)$|\1 available under [license](https://pkg.go.dev/google.golang.org/genproto?tab=licenses) |g' "$tmpDepLicenses"
+    sed -i -r '/go.uber.org\/goleak/s|^(.*)$|\1 available under [license](https://pkg.go.dev/go.uber.org/goleak?tab=licenses) |g' "$tmpDepLicenses"
+    sed -i -r '/gopkg.in\/yaml\.v3/s|^(.*)$|\1 available under [license](https://github.com/go-yaml/yaml/blob/v3.0.1/LICENSE) |g' "$tmpDepLicenses"
+
+}
+
+
+check_dependecies(){
+    generate_dep_licenses
+
+    tmpHaveLicenses=$(mktemp)
+    sed "/${RE_STARTAUTOGEN}/,/${RE_ENDAUTOGEN}/!d;//d" $tgt > "$tmpHaveLicenses"
+
+    diffOK=0
+    if ! diff "$tmpHaveLicenses" "$tmpDepLicenses"; then diffOK=1; fi
+
+    rm "$tmpDepLicenses" || echo "Failed to clean tmp file"
+    rm "$tmpHaveLicenses" || echo "Failed to clean tmp file"
+
+    [ $diffOK -eq 0 ] || error "Dependency licenses are not up-to-date"
+    exit 0
+}
+
+update_dependecies(){
+    generate_dep_licenses
+
+    sed -i -e "/${RE_STARTAUTOGEN}/,/${RE_ENDAUTOGEN}/!b" \
+        -e "/${RE_ENDAUTOGEN}/i ${STARTAUTOGEN}" \
+        -e "/${RE_ENDAUTOGEN}/r $tmpDepLicenses" \
+        -e "/${RE_ENDAUTOGEN}/a ${ENDAUTOGEN}" \
+        -e "d" \
+        $tgt
+
+
+    rm "$tmpDepLicenses" || echo "Failed to clean tmp file"
+
+    exit 0
+}
+
+case $1 in
+    "check") check_dependecies;;
+    "update") update_dependecies;;
+    *) error "One of actions needed: check update" ;;
+esac
+