diff --git a/Dockerfile b/Dockerfile
index 4e41e75e..c02cf53c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # FROM python:3.10.0-alpine3.15
-FROM python:3.5-alpine3.12
+FROM python:3.8-alpine3.12
 
 WORKDIR /usr/src/app
 
@@ -14,6 +14,7 @@ RUN apk add --update --no-cache \
     libxslt-dev \
     libmemcached-dev \
     zlib-dev \
+    libffi-dev \
     && rm -rf /var/cache/apk/*
 
 ## For alpine 3.15 replace postgresql-dev with libpq-dev
diff --git a/requirements.txt b/requirements.txt
index bff8290c..7bc874a2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,118 +1,116 @@
-Babel==2.7.0
-Django==1.11.29
-Django-Select2==6.3.1
-Pillow==6.0.0
+Django==2.2.28
+Babel==2.8.0
+Django-Select2==7.4.2
+Pillow==7.2.0
 URLObject==2.4.3
-Unidecode==1.0.23
+Unidecode==1.1.1
 YURL==1.0.0
-aldryn-apphooks-config==0.5.2
+aldryn-apphooks-config==0.6.0
 aldryn-boilerplates==0.8.0
 aldryn-categories==1.2.0
 aldryn-common==1.0.5
 aldryn-newsblog==2.2.1
 aldryn-people==2.2.0
-aldryn-search==1.0.1
+aldryn-search==1.1.0
 aldryn-translation-tools==0.3.0
 backport-collections==0.1
-cmsplugin-filer==1.1.3
-django-appconf==1.0.3
-django-appdata==0.2.1
-django-bootstrap3==11.0.0
-django-classy-tags==0.9.0
-django-cms==3.6.0
-django-compressor==2.3
-django-debug-toolbar==2.0
-python-dotenv==0.10.3
-django-extensions==2.1.9
-django-filer==1.5.0
-django-filter==2.1.0
-django-formtools==2.1
-django-guardian==2.0.0
+django-appconf==1.0.4
+django-appdata==0.3.0
+django-bootstrap3==14.0.0
+django-classy-tags==1.0.0
+django-cms==3.7.3
+django-compressor==2.4
+django-debug-toolbar==2.2
+python-dotenv==0.13.0
+django-extensions==3.0.1
+django-filer==1.7.1
+django-filter==2.3.0
+django-formtools==2.2
+django-guardian==2.3.0
 django-haystack==2.8.1
-django-meta==1.5.1
-django-model-utils==3.2.0
-django-mptt==0.10.0
-django-parler==1.9.2
+django-meta==1.6.1
+django-model-utils==4.0.0
+django-mptt==0.11.0
+django-parler==2.0.1
 django-phonenumber-field==1.3.0
-django-polymorphic==2.0.3
-django-reversion==2.0.13
-django-sekizai==1.0.0
-django-sortedm2m==1.5.0
-django-spurl==0.6.6
+django-polymorphic==2.1.2
+django-reversion==3.0.7
+django-sekizai==1.1.0
+django-sortedm2m==3.0.0
+django-spurl==0.6.7
 django-standard-form==1.1.1
-django-stored-messages==1.4.0
-django-taggit==0.23.0
-django-taggit-autosuggest==0.3.7
+django-taggit==1.2.0
+django-taggit-autosuggest==0.3.8
 django-taggit-templatetags==0.2.5
 django-templatetag-sugar==1.0
-django-treebeard==4.3
-djangocms-admin-style==1.4.0
-djangocms-apphook-setup==0.3.0
-djangocms-blog==0.9.9
-djangocms-file==2.3.0
+django-treebeard==4.3.1
+djangocms-admin-style==1.5.0
+djangocms-apphook-setup==0.4.1
+djangocms-blog==1.1.1
+djangocms-file==2.4.0
 djangocms-flash==0.3.0
-djangocms-googlemap==1.3.0
+djangocms-googlemap==1.4.0
 djangocms-inherit==0.2.2
-djangocms-link==2.4.0
-djangocms-page-meta==0.8.5
-djangocms-picture==2.2.1
+djangocms-link==2.6.1
+djangocms-page-meta==0.10.0
+djangocms-picture==2.4.0
 djangocms-teaser==0.2.0
-djangocms-text-ckeditor==3.8.0
-djangocms-video==2.1.1
-easy-thumbnails==2.6
-html5lib==1.0.1
-ldap3==2.6
-lxml==4.3.4
-model-mommy==1.6.0
-phonenumbers==8.10.14
-phonenumberslite==8.10.14
-psycopg2==2.7.7
-pycryptodome==3.8.2
-pylibmc==1.6.0
-python-dateutil==2.8.0
-python-slugify==3.0.2
-pytz==2019.1
+djangocms-text-ckeditor==3.9.1
+djangocms-video==2.3.0
+easy-thumbnails==2.7
+html5lib==1.1
+ldap3==2.7
+lxml==4.5.1
+model-mommy==2.0.0
+phonenumbers==8.12.6
+phonenumberslite==8.12.6
+psycopg2==2.8.5
+pycryptodome==3.9.8
+pylibmc==1.6.1
+python-dateutil==2.8.1
+python-slugify==4.0.1
+pytz==2020.1
 rcssmin==1.0.6
-requests==2.22.0
+requests==2.24.0
 rjsmin==1.1.0
-six==1.12.0
-sqlparse==0.3.0
-stripe==2.32.0
-wheel==0.33.4
+six==1.15.0
+sqlparse==0.3.1
+stripe==2.48.0
+wheel==0.34.2
 django-admin-honeypot==1.1.0
-coverage==4.5.3
-djangorestframework==3.9.4
-flake8==3.7.7
+coverage==5.1
+djangorestframework==3.11.0
+flake8==3.8.3
 python-memcached==1.59
-celery==4.3.0
-redis==3.2.1
-django-celery-results==1.1.2
-kombu==4.6.3
+celery==4.4.6
+redis==3.5.3
+django-celery-results==1.2.1
+kombu==4.6.11
 mccabe==0.6.1
-pycodestyle==2.5.0
-pyflakes==2.1.1
-billiard==3.6.0.0
-amqp==2.5.0
+pycodestyle==2.6.0
+pyflakes==2.2.0
+billiard==3.6.3.0
+amqp==2.6.0
 vine==1.3.0
-cdist==5.1.2
-pyotp==2.2.7
-django-recaptcha==2.0.4
-git+https://github.com/ungleich/python-oca.git#egg=oca
-git+https://github.com/ungleich/djangocms-multisite.git#egg=djangocms_multisite
-# transitive dependencies, pinned for reproducible builds
-certifi==2021.10.8
+cdist==6.6.0
+pyotp==2.3.0
+django-recaptcha==2.0.6
+certifi==2020.6.20
 chardet==3.0.4
-django-js-asset==1.2.3
-django-multisite==1.9.0
+django-js-asset==1.2.2
 djangocms-attributes-field==1.2.0
 entrypoints==0.3
-idna==2.8
-importlib-metadata==2.1.3
+idna==2.10
+importlib-metadata==1.7.0
 pluggy==0.13.1
 pyasn1==0.4.8
-requests-file==3.0.1
-text-unidecode==1.2
-tldextract==2.2.3
-urllib3==1.25.11
+requests-file==1.5.1
+text-unidecode==1.3
+tldextract==2.2.2
+urllib3==1.25.9
 webencodings==0.5.1
-zipp==1.2.0
+zipp==3.1.0
+git+https://github.com/ungleich/python-oca.git#egg=oca
+# transitive dependencies, pinned for reproducible builds
+django-multisite==1.9.0
+future==1.0.0