diff --git a/Dockerfile b/Dockerfile
index 7de879c..8b41793 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.8-slim-buster
+FROM python:3.9-slim-bullseye
 
 ENV PYTHONDONTWRITEBYTECODE True
 ENV PYTHONUNBUFFERED True
diff --git a/ack/readers/google_ads/cli.py b/ack/readers/google_ads/cli.py
index d37d50c..069d21b 100644
--- a/ack/readers/google_ads/cli.py
+++ b/ack/readers/google_ads/cli.py
@@ -34,7 +34,6 @@
 )
 @click.option(
     "--googleads-client-customer-id",
-    "googleads_client_customer_ids",
     multiple=True,
     help="Google Ads Client Account(s) to be called, thanks to their IDs.\n "
     "This field is ignored if manager_id is specified (replaced by the accounts linked to the MCC)",
@@ -55,7 +54,6 @@
 @click.option("--googleads-end-date", type=click.DateTime())
 @click.option(
     "--googleads-field",
-    "googleads_fields",
     multiple=True,
     help="Google Ads API fields for the request\n"
     "https://developers.google.com/adwords/api/docs/appendix/reports#available-reports",
diff --git a/ack/readers/google_analytics/cli.py b/ack/readers/google_analytics/cli.py
index b6a69f1..937ca67 100644
--- a/ack/readers/google_analytics/cli.py
+++ b/ack/readers/google_analytics/cli.py
@@ -27,7 +27,7 @@
 @click.option("--ga-refresh-token", required=True)
 @click.option("--ga-client-id", required=True)
 @click.option("--ga-client-secret", required=True)
-@click.option("--ga-view-id", default="", multiple=True)
+@click.option("--ga-view-id", default=[], multiple=True)
 @click.option("--ga-account-id", default=[], multiple=True)
 @click.option("--ga-dimension", multiple=True)
 @click.option("--ga-metric", multiple=True)
diff --git a/ack/readers/google_dcm/cli.py b/ack/readers/google_dcm/cli.py
index 67802d4..f1c8152 100644
--- a/ack/readers/google_dcm/cli.py
+++ b/ack/readers/google_dcm/cli.py
@@ -29,18 +29,16 @@
 @click.option("--dcm-client-id", required=True)
 @click.option("--dcm-client-secret", required=True)
 @click.option("--dcm-refresh-token", required=True)
-@click.option("--dcm-profile-id", "dcm_profile_ids", required=True, multiple=True)
+@click.option("--dcm-profile-id", required=True, multiple=True)
 @click.option("--dcm-report-name", default="DCM Report")
 @click.option("--dcm-report-type", type=click.Choice(REPORT_TYPES), default=REPORT_TYPES[0])
 @click.option(
     "--dcm-metric",
-    "dcm_metrics",
     multiple=True,
     help="https://developers.google.com/doubleclick-advertisers/v3.5/dimensions/#standard-metrics",
 )
 @click.option(
     "--dcm-dimension",
-    "dcm_dimensions",
     multiple=True,
     help="https://developers.google.com/doubleclick-advertisers/v3.5/dimensions/#standard-dimensions",
 )
@@ -48,7 +46,6 @@
 @click.option("--dcm-end-date", type=click.DateTime(), help="End date of the report")
 @click.option(
     "--dcm-filter",
-    "dcm_filters",
     type=click.Tuple([str, str]),
     multiple=True,
     help="A filter is a tuple following this pattern: (dimensionName, dimensionValue). "
diff --git a/ack/readers/google_sa360/cli.py b/ack/readers/google_sa360/cli.py
index b41d76d..4711764 100644
--- a/ack/readers/google_sa360/cli.py
+++ b/ack/readers/google_sa360/cli.py
@@ -32,18 +32,16 @@
 @click.option("--sa360-agency-id", required=True)
 @click.option(
     "--sa360-advertiser-id",
-    "sa360_advertiser_ids",
     multiple=True,
     help="If empty, all advertisers from agency will be requested",
 )
 @click.option("--sa360-report-name", default="SA360 Report")
 @click.option("--sa360-report-type", type=click.Choice(REPORT_TYPES), default=REPORT_TYPES[0])
 @click.option(
-    "--sa360-column", "sa360_columns", multiple=True, help="https://developers.google.com/search-ads/v2/report-types",
+    "--sa360-column", multiple=True, help="https://developers.google.com/search-ads/v2/report-types",
 )
 @click.option(
     "--sa360-saved-column",
-    "sa360_saved_columns",
     multiple=True,
     help="https://developers.google.com/search-ads/v2/how-tos/reporting/saved-columns",
 )
diff --git a/ack/readers/yandex_campaign/cli.py b/ack/readers/yandex_campaign/cli.py
index 6690ea9..803c1f7 100644
--- a/ack/readers/yandex_campaign/cli.py
+++ b/ack/readers/yandex_campaign/cli.py
@@ -25,20 +25,18 @@
 
 @click.command(name="read_yandex_campaigns")
 @click.option("--yandex-campaigns-token", "yandex_token", required=True)
-@click.option("--yandex-campaigns-campaign-id", "yandex_campaign_ids", multiple=True)
-@click.option("--yandex-campaigns-campaign-state", "yandex_campaign_states", multiple=True, type=click.Choice(CAMPAIGN_STATES))
+@click.option("--yandex-campaigns-campaign-id", multiple=True)
+@click.option("--yandex-campaigns-campaign-state", multiple=True, type=click.Choice(CAMPAIGN_STATES))
 @click.option(
-    "--yandex-campaigns-campaign-status", "yandex_campaign_statuses", multiple=True, type=click.Choice(CAMPAIGN_STATUSES)
+    "--yandex-campaigns-campaign-status", multiple=True, type=click.Choice(CAMPAIGN_STATUSES)
 )
 @click.option(
     "--yandex-campaigns-campaign-payment-status",
-    "yandex_campaign_payment_statuses",
     multiple=True,
     type=click.Choice(CAMPAIGN_PAYMENT_STATUSES),
 )
 @click.option(
     "--yandex-campaigns-field-name",
-    "yandex_fields",
     multiple=True,
     type=click.Choice(CAMPAIGN_FIELDS),
     required=True,
diff --git a/ack/readers/yandex_statistics/cli.py b/ack/readers/yandex_statistics/cli.py
index 10638cd..5b28357 100644
--- a/ack/readers/yandex_statistics/cli.py
+++ b/ack/readers/yandex_statistics/cli.py
@@ -39,14 +39,12 @@ def convert(self, value, param, ctx):
 @click.option("--yandex-statistics-report-language", "yandex_report_language", type=click.Choice(LANGUAGES), default="en")
 @click.option(
     "--yandex-statistics-filter",
-    "yandex_filters",
     multiple=True,
     type=click.Tuple([click.Choice(STATS_FIELDS), click.Choice(OPERATORS), STR_LIST_TYPE]),
 )
 @click.option("--yandex-statistics-max-rows", "yandex_max_rows", type=int)
 @click.option(
     "--yandex-statistics-field-name",
-    "yandex_fields",
     multiple=True,
     type=click.Choice(STATS_FIELDS),
     required=True,
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 512fa5f..31333d9 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,11 +1,11 @@
 black==19.10b0
-flake8==3.8.3
-freezegun==0.3.15
+flake8==4.0.1
+freezegun==1.1.0
 ipdb
-moto==2.0.1
+moto==2.2.12
 nose==1.3.7
-parameterized==0.7.1
-pre-commit==2.7.1
-pytest==6.0.1
+parameterized==0.8.1
+pre-commit==2.15.0
+pytest==6.2.5
 sphinx
 sphinx-rtd-theme
diff --git a/requirements.txt b/requirements.txt
index dfda111..6a8d68d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,68 +1,68 @@
 addressable==1.4.2
-boto3==1.10.34
-botocore==1.13.34
-cachetools==3.1.1
-certifi==2019.11.28
-chardet==3.0.4
-Click==7.0
-colorama==0.4.3
+boto3==1.19.9
+botocore==1.22.9
+cachetools==4.2.4
+certifi==2021.10.8
+chardet==4.0.0
+Click==8.0.3
+colorama==0.4.4
 curlify==2.2.1
 docopt==0.6.2
-docutils==0.15.2
-facebook-business==12.0.0
-google-api-core==1.14.3
-google-api-python-client==1.4.2
-google-auth==1.28.0
-google-auth-httplib2==0.0.3
-google-cloud-bigquery==1.22.0
-google-cloud-core==1.1.0
-google-cloud-storage==1.23.0
-google-resumable-media==0.5.0
+docutils==0.18
+facebook-business==12.0.1
+google-api-core==2.2.2
+google-api-python-client==2.29.0
+google-auth==2.3.3
+google-auth-httplib2==0.1.0
+google-cloud-bigquery==2.29.0
+google-cloud-core==2.1.0
+google-cloud-storage==1.42.3
+google-resumable-media==2.1.0
 googleanalytics==0.26.0
-googleapis-common-protos==1.6.0
-gspread==3.1.0
-hiredis==1.0.1
-httplib2==0.19.0
-idna==2.8
+googleapis-common-protos==1.53.0
+gspread==4.0.1
+hiredis==2.0.0
+httplib2==0.20.2
+idna==3.3
 inspect-it==0.3.2
-Jinja2==2.11.3
-jmespath==0.9.4
-keyring==5.3
-lxml==4.6.3
-MarkupSafe==1.1.1
-more-itertools==8.0.2
+Jinja2==3.0.2
+jmespath==0.10.0
+keyring==23.2.1
+lxml==4.6.4
+MarkupSafe==2.0.1
+more-itertools==8.10.0
 num2words==0.5.10
-numpy==1.21.2
-oauth2client==1.5.2
-prettytable==0.7.2
-protobuf==3.11.1
+numpy==1.21.3
+oauth2client==4.1.3
+prettytable==2.4.0
+protobuf==3.19.1
 pyasn1==0.4.8
-pyasn1-modules==0.2.7
-pycountry==19.8.18
-pylev==1.3.0
-PyMySQL==0.9.3
-python-dateutil==2.8.0
-pytz==2019.3
-PyYAML==5.4
+pyasn1-modules==0.2.8
+pycountry==20.7.3
+pylev==1.4.0
+PyMySQL==1.0.2
+python-dateutil==2.8.2
+pytz==2021.3
+PyYAML==6.0
 radarly-py==1.0.10
-redis==3.3.11
-requests==2.22.0
+redis==3.5.3
+requests==2.26.0
 requests-toolbelt==0.9.1
 rsa==4.7.2
-s3transfer==0.2.1
-six==1.13.0
+s3transfer==0.5.0
+six==1.16.0
 snakify==1.1.1
-SQLAlchemy==1.3.11
-tenacity==6.0.0
-unicode-slugify==0.1.3
-Unidecode==1.1.1
-uritemplate==3.0.0
-urllib3==1.25.10
-Werkzeug==0.16.0
-googleads==22.0.0
-twitter-ads==9.0.0
-pyjwt==1.7.1
-cryptography==3.3.2
+SQLAlchemy==1.4.26
+tenacity==8.0.1
+unicode-slugify==0.1.5
+Unidecode==1.3.2
+uritemplate==4.1.1
+urllib3==1.26.7
+Werkzeug==2.0.2
+googleads==29.0.0
+twitter-ads==9.0.1
+pyjwt==2.3.0
+cryptography==35.0.0
 bs4==0.0.1
 pydantic==1.8.2
-azure-storage-blob==12.8.0
+azure-storage-blob==12.9.0