diff --git a/samples/snippets/v3/requirements.txt b/samples/snippets/v3/requirements.txt
index adb19bac..a4067526 100644
--- a/samples/snippets/v3/requirements.txt
+++ b/samples/snippets/v3/requirements.txt
@@ -1,7 +1,7 @@
 google-api-python-client==1.6.1
-httplib2==0.9.2
+httplib2==0.10.2
 oauth2client==4.0.0
-pyasn1==0.1.9
+pyasn1==0.2.1
 pyasn1-modules==0.0.8
 rsa==3.4.2
 simplejson==3.10.0