Fixed dependency issues

.gitlab-ci.yml

@@ -11,6 +11,8 @@ variables:
   DEV_IMAGE_BASE: $CI_REGISTRY_IMAGE/dev-image-base
   RELEASE_IMAGE: $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG
   DOCKER_DRIVER: overlay2
+  DOCKER_TLS_CERTDIR: ""
+
 
 # ========================== Build Testing section =========================== #
 build_test_env:
@@ -110,7 +112,7 @@ test_frontend_unit:
   stage: test
   dependencies:
     - build_frontend
-  tags: 
+  tags:
     - docker
   script:
     - cd frontend/

requirements.dev.txt

 flake8~=3.6.0
 pre-commit~=1.13.0
 pytest-cov~=2.6.0
-pytest-django~=3.4.0
+pytest-django~=3.5.0
 selenium~=3.141.0
 factory-boy~=2.11.0
 Faker~=1.0.0

requirements.txt

 django-cors-headers~=2.4.0
 django-extensions~=2.1
 djangorestframework-jwt~=1.11.0
-djangorestframework~=3.8
-git+https://github.com/robinhundt/djangorestframework-camel-case
-Django~=2.1
+djangorestframework>=3.9, <3.10
+git+https://gitlab.gwdg.de/grady-corp/djangorestframework-camel-case.git
+Django>=2.1, <2.2
 drf-yasg~=1.12.0
 gunicorn~=19.9.0
 psycopg2-binary~=2.7.0