diff --git a/samples/samples/requirements.txt b/samples/samples/requirements.txt
index 42cf4789a7..43919b8c73 100644
--- a/samples/samples/requirements.txt
+++ b/samples/samples/requirements.txt
@@ -1,2 +1,2 @@
-google-cloud-spanner==3.0.0
+google-cloud-spanner==3.1.0
 futures==3.3.0; python_version < "3"