diff --git a/contributing/samples/integrations/authn-adk-all-in-one/requirements.txt b/contributing/samples/integrations/authn-adk-all-in-one/requirements.txt
index d5bc65a788..2187093ba4 100644
--- a/contributing/samples/integrations/authn-adk-all-in-one/requirements.txt
+++ b/contributing/samples/integrations/authn-adk-all-in-one/requirements.txt
@@ -1,6 +1,6 @@
-google-adk==1.12
+google-adk==1.28.1
 Flask==3.1.3
 flask-cors==6.0.1
-python-dotenv==1.1.1
+python-dotenv==1.2.2
 PyJWT[crypto]==2.10.1
-requests==2.32.4
+requests==2.33.0