diff --git a/tools/interop_matrix/client_matrix.py b/tools/interop_matrix/client_matrix.py
index 5e7b76cb0fa..92fcfd1ae2a 100644
--- a/tools/interop_matrix/client_matrix.py
+++ b/tools/interop_matrix/client_matrix.py
@@ -111,6 +111,7 @@ LANG_RELEASE_MATRIX = {
             ('v1.33.2', ReleaseInfo()),
             ('v1.34.0', ReleaseInfo()),
             ('v1.35.0', ReleaseInfo()),
+            ('v1.36.3', ReleaseInfo()),
         ]),
     'go':
         OrderedDict([
@@ -314,6 +315,7 @@ LANG_RELEASE_MATRIX = {
             ('v1.33.2', ReleaseInfo(runtimes=['python'])),
             ('v1.34.0', ReleaseInfo(runtimes=['python'])),
             ('v1.35.0', ReleaseInfo(runtimes=['python'])),
+            ('v1.36.3', ReleaseInfo(runtimes=['python'])),
         ]),
     'node':
         OrderedDict([
@@ -378,6 +380,7 @@ LANG_RELEASE_MATRIX = {
             ('v1.33.2', ReleaseInfo()),
             ('v1.34.0', ReleaseInfo()),
             ('v1.35.0', ReleaseInfo()),
+            ('v1.36.3', ReleaseInfo()),
         ]),
     'php':
         OrderedDict([
@@ -415,6 +418,7 @@ LANG_RELEASE_MATRIX = {
             ('v1.33.2', ReleaseInfo()),
             ('v1.34.0', ReleaseInfo()),
             ('v1.35.0', ReleaseInfo()),
+            ('v1.36.3', ReleaseInfo()),
         ]),
     'csharp':
         OrderedDict([
@@ -457,5 +461,6 @@ LANG_RELEASE_MATRIX = {
             ('v1.33.2', ReleaseInfo()),
             ('v1.34.0', ReleaseInfo()),
             ('v1.35.0', ReleaseInfo()),
+            ('v1.36.3', ReleaseInfo()),
         ]),
 }