diff --git a/tools/interop_matrix/client_matrix.py b/tools/interop_matrix/client_matrix.py
index 5f4106efbe3..1cba1748313 100644
--- a/tools/interop_matrix/client_matrix.py
+++ b/tools/interop_matrix/client_matrix.py
@@ -211,7 +211,7 @@ LANG_RELEASE_MATRIX = {
             ('v1.22.2', ReleaseInfo()),
             ('v1.23.0', ReleaseInfo()),
             ('v1.24.0', ReleaseInfo()),
-            ('v1.25.0', ReleaseInfo()),      
+            ('v1.25.0', ReleaseInfo()),
             ('v1.26.0', ReleaseInfo()),
         ]),
     'python':