diff --git a/tools/interop_matrix/client_matrix.py b/tools/interop_matrix/client_matrix.py
index b2b77be811b..7278730cef6 100644
--- a/tools/interop_matrix/client_matrix.py
+++ b/tools/interop_matrix/client_matrix.py
@@ -219,6 +219,7 @@ LANG_RELEASE_MATRIX = {
             ('v1.27.2', ReleaseInfo()),
             ('v1.28.1', ReleaseInfo()),
             ('v1.29.0', ReleaseInfo()),
+            ('v1.30.0', ReleaseInfo()),
         ]),
     'python':
         OrderedDict([