diff --git a/locked-requirements.txt b/locked-requirements.txt
index 527c302..d06a3ac 100644
--- a/locked-requirements.txt
+++ b/locked-requirements.txt
@@ -3,7 +3,7 @@ asgiref==3.4.1
 astroid==2.8.0
 dj-database-url==0.5.0
 django-cors-headers==3.8.0
-django-filter==2.4.0
+django-filter==21.1
 django-heroku==0.3.1
 djangorestframework==3.12.4
 gunicorn==20.1.0
diff --git a/requirements.txt b/requirements.txt
index 2baf850..0057ef2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ django-cors-headers==3.8.0
 
 # REST
 djangorestframework==3.12.4
-django-filter==2.4.0
+django-filter==21.1
 
 # Database (PostgreSQL)
 dj-database-url==0.5.0