diff --git a/docker/fluentd/Dockerfile.j2 b/docker/fluentd/Dockerfile.j2
index e32c9c394a..c330ab878a 100644
--- a/docker/fluentd/Dockerfile.j2
+++ b/docker/fluentd/Dockerfile.j2
@@ -87,6 +87,7 @@ RUN chmod 755 /usr/local/bin/kolla_extend_start
         'fluent-plugin-grep',
         'fluent-plugin-grok-parser',
         'fluent-plugin-parser',
+        'fluent-plugin-prometheus',
         'fluent-plugin-rewrite-tag-filter',
     ] %}
 {% endif %}
diff --git a/releasenotes/notes/add-fluentd-prometheus-plugin-b5c626db667c5675.yaml b/releasenotes/notes/add-fluentd-prometheus-plugin-b5c626db667c5675.yaml
new file mode 100644
index 0000000000..3decf3623f
--- /dev/null
+++ b/releasenotes/notes/add-fluentd-prometheus-plugin-b5c626db667c5675.yaml
@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    The Prometheus plugin is now installed into the Fluentd container by
+    default.