diff --git a/categories.py b/categories.py
index 8a2ddbf8ee9b8..01508346d004b 100644
--- a/categories.py
+++ b/categories.py
@@ -1208,6 +1208,7 @@
    "SimTracker/SiStripDigitizer",
    "SimTracker/TrackAssociation",
    "SimTracker/TrackAssociatorESProducer",
+   "SimTracker/TrackAssociatorProducers",
    "SimTracker/TrackHistory",
    "SimTracker/TrackerFilters",
    "SimTracker/TrackerHitAssociation",