diff --git a/tools/interop_matrix/client_matrix.py b/tools/interop_matrix/client_matrix.py
index c1e883e96d820..42097820840f2 100644
--- a/tools/interop_matrix/client_matrix.py
+++ b/tools/interop_matrix/client_matrix.py
@@ -286,7 +286,7 @@ def __init__(self, patch=[], runtimes=[], testcases_file=None):
             ("v1.53.0", ReleaseInfo(runtimes=["go1.19"])),
             ("v1.54.1", ReleaseInfo(runtimes=["go1.19"])),
             ("v1.55.0", ReleaseInfo(runtimes=["go1.19"])),
-            ("v1.56.1", ReleaseInfo(runtimes=["go1.19"])),
+            ("v1.56.2", ReleaseInfo(runtimes=["go1.19"])),
             ("v1.57.0", ReleaseInfo(runtimes=["go1.19"])),
         ]
     ),