diff --git a/tools/interop_matrix/client_matrix.py b/tools/interop_matrix/client_matrix.py
index 853ff924edf..d5fd2014d27 100644
--- a/tools/interop_matrix/client_matrix.py
+++ b/tools/interop_matrix/client_matrix.py
@@ -110,6 +110,7 @@ LANG_RELEASE_MATRIX = {
             ('v1.32.0', ReleaseInfo()),
             ('v1.33.2', ReleaseInfo()),
             ('v1.34.0', ReleaseInfo()),
+            ('v1.35.0', ReleaseInfo()),
         ]),
     'go':
         OrderedDict([
@@ -310,6 +311,7 @@ LANG_RELEASE_MATRIX = {
             ('v1.32.0', ReleaseInfo(runtimes=['python'])),
             ('v1.33.2', ReleaseInfo(runtimes=['python'])),
             ('v1.34.0', ReleaseInfo(runtimes=['python'])),
+            ('v1.35.0', ReleaseInfo(runtimes=['python'])),
         ]),
     'node':
         OrderedDict([
@@ -373,6 +375,7 @@ LANG_RELEASE_MATRIX = {
             ('v1.32.0', ReleaseInfo()),
             ('v1.33.2', ReleaseInfo()),
             ('v1.34.0', ReleaseInfo()),
+            ('v1.35.0', ReleaseInfo()),
         ]),
     'php':
         OrderedDict([
@@ -409,6 +412,7 @@ LANG_RELEASE_MATRIX = {
             ('v1.32.0', ReleaseInfo()),
             ('v1.33.2', ReleaseInfo()),
             ('v1.34.0', ReleaseInfo()),
+            ('v1.35.0', ReleaseInfo()),
         ]),
     'csharp':
         OrderedDict([
@@ -450,5 +454,6 @@ LANG_RELEASE_MATRIX = {
             ('v1.32.0', ReleaseInfo()),
             ('v1.33.2', ReleaseInfo()),
             ('v1.34.0', ReleaseInfo()),
+            ('v1.35.0', ReleaseInfo()),
         ]),
 }