diff --git a/samples/samples/requirements.txt b/samples/samples/requirements.txt
index ea28854fbb..4ca3a436c6 100644
--- a/samples/samples/requirements.txt
+++ b/samples/samples/requirements.txt
@@ -1,2 +1,2 @@
-google-cloud-spanner==3.33.0
+google-cloud-spanner==3.35.1
 futures==3.4.0; python_version < "3"