diff --git a/appengine/flexible/tasks/requirements.txt b/appengine/flexible/tasks/requirements.txt
index c87b957c962..a6bc79120b8 100644
--- a/appengine/flexible/tasks/requirements.txt
+++ b/appengine/flexible/tasks/requirements.txt
@@ -1,4 +1,4 @@
 Flask==1.1.1
 gunicorn==20.0.4
-google-cloud-tasks==1.3.0
+google-cloud-tasks==1.5.0
 googleapis-common-protos==1.6.0
diff --git a/tasks/requirements.txt b/tasks/requirements.txt
index a945842dd65..aa50ce695fc 100644
--- a/tasks/requirements.txt
+++ b/tasks/requirements.txt
@@ -1,2 +1,2 @@
-google-cloud-tasks==1.3.0
+google-cloud-tasks==1.5.0
 googleapis-common-protos==1.6.0