diff --git a/tools/interop_matrix/client_matrix.py b/tools/interop_matrix/client_matrix.py
index cc4b5fcf748..fae78909daf 100644
--- a/tools/interop_matrix/client_matrix.py
+++ b/tools/interop_matrix/client_matrix.py
@@ -252,6 +252,12 @@ LANG_RELEASE_MATRIX = {
         {
             'v1.10.0': None
         },
+        {
+            'v1.11.3': None
+        },
+        {
+            'v1.12.4': None
+        },
     ],
     'ruby': [
         {