diff --git a/appengine/flexible/numpy/requirements.txt b/appengine/flexible/numpy/requirements.txt
index 0fdfafda441..d630b17fb33 100644
--- a/appengine/flexible/numpy/requirements.txt
+++ b/appengine/flexible/numpy/requirements.txt
@@ -1,3 +1,3 @@
 Flask==1.0.2
 gunicorn==19.9.0
-numpy==1.15.1
+numpy==1.22.0