diff --git a/bigquery-datatransfer/snippets/requirements-test.txt b/bigquery-datatransfer/snippets/requirements-test.txt
index 20cc6cbaf245..dfa5ca05cd19 100644
--- a/bigquery-datatransfer/snippets/requirements-test.txt
+++ b/bigquery-datatransfer/snippets/requirements-test.txt
@@ -1,4 +1,4 @@
-google-cloud-bigquery==2.28.0
+google-cloud-bigquery==2.28.1
 google-cloud-pubsub==2.8.0
 pytest==6.2.5
 mock==4.0.3
diff --git a/bigquery-datatransfer/snippets/requirements.txt b/bigquery-datatransfer/snippets/requirements.txt
index 5681ebc88385..1a064a3e3bd2 100644
--- a/bigquery-datatransfer/snippets/requirements.txt
+++ b/bigquery-datatransfer/snippets/requirements.txt
@@ -1 +1 @@
-google-cloud-bigquery-datatransfer==3.3.3
+google-cloud-bigquery-datatransfer==3.4.0