diff --git a/tools/interop_matrix/client_matrix.py b/tools/interop_matrix/client_matrix.py
index 92fcfd1ae2a..957e1661859 100644
--- a/tools/interop_matrix/client_matrix.py
+++ b/tools/interop_matrix/client_matrix.py
@@ -248,8 +248,8 @@ LANG_RELEASE_MATRIX = {
             ('v1.28.1', ReleaseInfo()),
             ('v1.29.0', ReleaseInfo()),
             ('v1.30.2', ReleaseInfo()),
-            ('v1.31.1', ReleaseInfo()),
-            ('v1.32.2', ReleaseInfo()),
+            ('v1.31.2', ReleaseInfo()),
+            ('v1.32.3', ReleaseInfo()),
             ('v1.33.1', ReleaseInfo()),
             ('v1.34.1', ReleaseInfo()),
             ('v1.35.0', ReleaseInfo()),