diff --git a/data/model/gc.py b/data/model/gc.py
index b6cd5ac32..b3da9b6ae 100644
--- a/data/model/gc.py
+++ b/data/model/gc.py
@@ -38,7 +38,7 @@ from data.database import (
     DerivedStorageForImage,
 )
 from data.database import TagManifestToManifest, TagToRepositoryTag, TagManifestLabelMap
-from util.metrics.prometheus import gc_table_rows_deleted
+from util.metrics.prometheus import gc_table_rows_deleted, gc_repos_purged
 
 
 logger = logging.getLogger(__name__)
@@ -144,6 +144,7 @@ def purge_repository(repo, force=False):
 
     try:
         fetched.delete_instance(recursive=True, delete_nullable=False, force=force)
+        gc_repos_purged.inc()
         return True
     except IntegrityError:
         return False
diff --git a/test/data/test.db b/test/data/test.db
index 0e8158169..dd256dfff 100644
Binary files a/test/data/test.db and b/test/data/test.db differ
diff --git a/util/metrics/prometheus.py b/util/metrics/prometheus.py
index 9a46eb745..9c4a2ef77 100644
--- a/util/metrics/prometheus.py
+++ b/util/metrics/prometheus.py
@@ -50,7 +50,8 @@ gc_storage_blobs_deleted = Counter(
 
 # GC iterations
 gc_repos_purged = Counter(
-    "quay_gc_repos_purged", "number of repositories purged by the RepositoryGCWorker"
+    "quay_gc_repos_purged",
+    "number of repositories purged by the RepositoryGCWorker or NamespaceGCWorker",
 )
 gc_namespaces_purged = Counter(
     "quay_gc_namespaces_purged", "number of namespaces purged by the NamespaceGCWorker"
diff --git a/workers/repositorygcworker.py b/workers/repositorygcworker.py
index 2088772c6..498951cc6 100644
--- a/workers/repositorygcworker.py
+++ b/workers/repositorygcworker.py
@@ -8,7 +8,6 @@ from data import model, database
 from workers.queueworker import QueueWorker, WorkerSleepException
 from util.log import logfile_path
 from util.locking import GlobalLock, LockNotAcquiredException
-from util.metrics.prometheus import gc_repos_purged
 from workers.gunicorn_worker import GunicornWorker
 
 logger = logging.getLogger(__name__)
@@ -48,8 +47,6 @@ class RepositoryGCWorker(QueueWorker):
         if not model.gc.purge_repository(marker.repository):
             raise Exception("GC interrupted; will retry")
 
-        gc_repos_purged.inc()
-
 
 def create_gunicorn_worker():
     """