diff --git a/gateway/generator.py b/gateway/generator.py
index 9bbeb725..b2a7c4c5 100644
--- a/gateway/generator.py
+++ b/gateway/generator.py
@@ -26,7 +26,7 @@ def get_schema(self, request=None, public=False):
         swagger_spec = sw_aggregator.generate_swagger()
 
         endpoints = self.get_endpoints(request)
-        components = openapi.ReferenceResolver(openapi.SCHEMA_DEFINITIONS)
+        components = self.reference_resolver_class(openapi.SCHEMA_DEFINITIONS, force_init=True)
         paths, prefix = self.get_paths(endpoints, components, request, public)
         paths.update(swagger_spec['paths'])
         components['definitions'].update(swagger_spec['definitions'])
diff --git a/requirements/base.txt b/requirements/base.txt
index f854b1b1..77737152 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -2,7 +2,7 @@ Django==2.2.24
 django-filter==2.2.0
 django-health-check==3.6.1
 git+https://github.com/buildlyio/django-oauth-toolkit-jwt@v0.5.2#egg=django-oauth-toolkit-jwt
-djangorestframework==3.9.4
+djangorestframework==3.11.2
 psycopg2-binary==2.8.6
 social-auth-app-django==3.1.0
 django-oauth-toolkit==1.3.2
@@ -10,7 +10,7 @@ futures==3.1.1
 django-cors-headers==2.5.3
 pyswagger==0.8.39
 bravado-core==5.13.1
-drf-yasg==1.10.2
+drf-yasg==1.20.0
 requests==2.21.0
 aiohttp==3.7.4
 django-auth-ldap==2.1.0