diff --git a/requirements/api.txt b/requirements/api.txt
deleted file mode 100644
index 8dd9f5f2..00000000
--- a/requirements/api.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-djangorestframework==3.9.0
-django-rest-polymorphic==0.1.8
-
diff --git a/requirements/base.txt b/requirements/base.txt
index e9dc7635..6c5fbc4c 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -19,4 +19,6 @@ requests==2.22.0
 requests-oauthlib==1.2.0
 six==1.12.0
 sqlparse==0.3.0
+djangorestframework==3.9.0
+django-rest-polymorphic==0.1.8
 urllib3==1.25.3