diff --git a/docs/plugins/gst_plugins_cache.json b/docs/plugins/gst_plugins_cache.json
index 88350189ca..762dab5cbb 100644
--- a/docs/plugins/gst_plugins_cache.json
+++ b/docs/plugins/gst_plugins_cache.json
@@ -225670,7 +225670,63 @@
         },
         "filename": "gstsrt",
         "license": "LGPL",
-        "other-types": {},
+        "other-types": {
+            "GstSRTConnectionMode": {
+                "kind": "enum",
+                "values": [
+                    {
+                        "desc": "GST_SRT_CONNECTION_MODE_NONE",
+                        "name": "none",
+                        "value": "0"
+                    },
+                    {
+                        "desc": "GST_SRT_CONNECTION_MODE_CALLER",
+                        "name": "caller",
+                        "value": "1"
+                    },
+                    {
+                        "desc": "GST_SRT_CONNECTION_MODE_LISTENER",
+                        "name": "listener",
+                        "value": "2"
+                    },
+                    {
+                        "desc": "GST_SRT_CONNECTION_MODE_RENDEZVOUS",
+                        "name": "rendezvous",
+                        "value": "3"
+                    }
+                ]
+            },
+            "GstSRTKeyLength": {
+                "kind": "enum",
+                "values": [
+                    {
+                        "desc": "GST_SRT_KEY_LENGTH_NO_KEY",
+                        "name": "no-key",
+                        "value": "0"
+                    },
+                    {
+                        "desc": "GST_SRT_KEY_LENGTH_0",
+                        "name": "0",
+                        "value": "0"
+                    },
+                    {
+                        "desc": "GST_SRT_KEY_LENGTH_16",
+                        "name": "16",
+                        "value": "16"
+                    },
+                    {
+                        "desc": "GST_SRT_KEY_LENGTH_24",
+                        "name": "24",
+                        "value": "24"
+                    },
+                    {
+                        "desc": "GST_SRT_KEY_LENGTH_32",
+                        "name": "32",
+                        "value": "32"
+                    }
+                ]
+            }
+        },
         "package": "GStreamer Bad Plug-ins git",
         "source": "gst-plugins-bad",
         "tracers": {},
diff --git a/ext/srt/gstsrtobject.c b/ext/srt/gstsrtobject.c
index 1db634c8c3..7dfeae1f8c 100644
--- a/ext/srt/gstsrtobject.c
+++ b/ext/srt/gstsrtobject.c
@@ -417,6 +417,7 @@ gst_srt_object_install_properties_helper (GObjectClass * gobject_class)
           GST_SRT_CONNECTION_MODE_CALLER,
           G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
           G_PARAM_STATIC_STRINGS));
+  gst_type_mark_as_plugin_api (GST_TYPE_SRT_CONNECTION_MODE, 0);
 
   /**
    * GstSRTSrc:localaddress:
@@ -466,6 +467,7 @@ gst_srt_object_install_properties_helper (GObjectClass * gobject_class)
           GST_SRT_DEFAULT_PBKEYLEN,
           G_PARAM_READWRITE | GST_PARAM_MUTABLE_READY |
           G_PARAM_STATIC_STRINGS));
+  gst_type_mark_as_plugin_api (GST_TYPE_SRT_KEY_LENGTH, 0);
 
   /**
    * GstSRTSrc:poll-timeout: