diff --git a/samples/api-client/accesstoken_example/requirements.txt b/samples/api-client/accesstoken_example/requirements.txt
index 68311f88..8182c00c 100644
--- a/samples/api-client/accesstoken_example/requirements.txt
+++ b/samples/api-client/accesstoken_example/requirements.txt
@@ -1,6 +1,6 @@
 cryptography==39.0.1
 flaky==3.7.0
-google-api-python-client==2.76.0
+google-api-python-client==2.77.0
 google-auth-httplib2==0.1.0
 google-auth==2.16.0
 google-cloud-iot==2.8.1
diff --git a/samples/api-client/manager/requirements.txt b/samples/api-client/manager/requirements.txt
index 706301d8..96f144cc 100644
--- a/samples/api-client/manager/requirements.txt
+++ b/samples/api-client/manager/requirements.txt
@@ -1,6 +1,6 @@
 cryptography==39.0.1
 flaky==3.7.0
-google-api-python-client==2.76.0
+google-api-python-client==2.77.0
 google-auth-httplib2==0.1.0
 google-auth==2.16.0
 google-cloud-iot==2.8.1