diff --git a/changelogs/fragments/rds-aws-mod-defaults.yml b/changelogs/fragments/rds-aws-mod-defaults.yml
new file mode 100644
index 00000000000000..fb071b75446782
--- /dev/null
+++ b/changelogs/fragments/rds-aws-mod-defaults.yml
@@ -0,0 +1,2 @@
+minor_changes:
+  - aws module_defaults - add rds_option_group, rds_option_group_info
diff --git a/lib/ansible/config/module_defaults.yml b/lib/ansible/config/module_defaults.yml
index 36109f0e245953..1133befc77cd6e 100644
--- a/lib/ansible/config/module_defaults.yml
+++ b/lib/ansible/config/module_defaults.yml
@@ -458,6 +458,10 @@ groupings:
   - aws
   rds_subnet_group:
   - aws
+  rds_option_group:
+  - aws
+  rds_option_group_info:
+  - aws
   redshift:
   - aws
   redshift_cross_region_snapshots: