diff --git a/MANIFEST b/MANIFEST
index 26216c6..fcb8944 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -4,7 +4,9 @@ src/auditlog/__init__.py
 src/auditlog/admin.py
 src/auditlog/apps.py
 src/auditlog/diff.py
+src/auditlog/filters.py
 src/auditlog/middleware.py
+src/auditlog/mixins.py
 src/auditlog/models.py
 src/auditlog/receivers.py
 src/auditlog/registry.py