diff --git a/tools/bots/test_matrix.json b/tools/bots/test_matrix.json
index d904ed104de..92dd68568fa 100644
--- a/tools/bots/test_matrix.json
+++ b/tools/bots/test_matrix.json
@@ -1470,6 +1470,7 @@
             "ffi",
             "language",
             "lib",
+	    "co19/LanguageFeatures/nnbd",
             "standalone/io"
           ]
         },
@@ -1481,6 +1482,7 @@
             "ffi",
             "language",
             "lib",
+	    "co19/LanguageFeatures/nnbd",
             "standalone/io"
           ]
         }
@@ -1833,6 +1835,7 @@
             "ffi",
             "language",
             "lib",
+	    "co19/LanguageFeatures/nnbd",
             "standalone/io"
           ]
         },
@@ -1844,6 +1847,7 @@
             "ffi",
             "language",
             "lib",
+	    "co19/LanguageFeatures/nnbd",
             "standalone/io"
           ]
         }