diff --git a/webextensions/manifest/theme_experiment.json b/webextensions/manifest/theme_experiment.json
index 4857d08d6e77a2..0e140fcb314aac 100644
--- a/webextensions/manifest/theme_experiment.json
+++ b/webextensions/manifest/theme_experiment.json
@@ -20,6 +20,11 @@
             "opera": {
               "version_added": false
             }
+          },
+          "status": {
+            "experimental": true,
+            "standard_track": false,
+            "deprecated": false
           }
         },
         "colors": {
@@ -41,6 +46,11 @@
               "opera": {
                 "version_added": false
               }
+            },
+            "status": {
+              "experimental": true,
+              "standard_track": false,
+              "deprecated": false
             }
           }
         },
@@ -63,6 +73,11 @@
               "opera": {
                 "version_added": false
               }
+            },
+            "status": {
+              "experimental": true,
+              "standard_track": false,
+              "deprecated": false
             }
           }
         },
@@ -85,6 +100,11 @@
               "opera": {
                 "version_added": false
               }
+            },
+            "status": {
+              "experimental": true,
+              "standard_track": false,
+              "deprecated": false
             }
           }
         }