diff --git a/base_requirements.txt b/base_requirements.txt
index 0e565c335..6012ffa6c 100644
--- a/base_requirements.txt
+++ b/base_requirements.txt
@@ -7,6 +7,7 @@ django-filter==1.1.0
 django-mptt
 django-tables2
 django-taggit
+django-taggit-serializer
 django-timezone-field
 # https://github.com/encode/django-rest-framework/issues/6053
 djangorestframework==3.8.1
diff --git a/requirements.txt b/requirements.txt
index d641c54e3..d15bfb19d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,6 +5,7 @@ django-filter==1.1.0
 django-mptt==0.9.1
 django-tables2==1.21.2
 django-taggit==0.22.2
+django-taggit-serializer==0.1.7
 django-timezone-field==2.1
 djangorestframework==3.8.1
 drf-yasg[validation]==1.9.1