diff --git a/tools/interop_matrix/client_matrix.py b/tools/interop_matrix/client_matrix.py
index 7278730cef6..e38c1c77ee9 100644
--- a/tools/interop_matrix/client_matrix.py
+++ b/tools/interop_matrix/client_matrix.py
@@ -220,6 +220,7 @@ LANG_RELEASE_MATRIX = {
             ('v1.28.1', ReleaseInfo()),
             ('v1.29.0', ReleaseInfo()),
             ('v1.30.0', ReleaseInfo()),
+            ('v1.30.1', ReleaseInfo()),
         ]),
     'python':
         OrderedDict([