diff --git a/packages/google-cloud-documentai/samples/snippets/requirements-test.txt b/packages/google-cloud-documentai/samples/snippets/requirements-test.txt
index 980c425b9393..037ac4542fad 100644
--- a/packages/google-cloud-documentai/samples/snippets/requirements-test.txt
+++ b/packages/google-cloud-documentai/samples/snippets/requirements-test.txt
@@ -1,2 +1,2 @@
 pytest==7.2.0
-mock==4.0.3
+mock==5.0.0