diff --git a/tools/interop_matrix/client_matrix.py b/tools/interop_matrix/client_matrix.py
index 83a593ffde8..eb7eb12af87 100644
--- a/tools/interop_matrix/client_matrix.py
+++ b/tools/interop_matrix/client_matrix.py
@@ -157,6 +157,9 @@ LANG_RELEASE_MATRIX = {
         {
             'v1.10.1': None
         },
+        {
+            'v1.11.0': None
+        },
     ],
     'python': [
         {