diff --git a/appengine/flexible/numpy/requirements.txt b/appengine/flexible/numpy/requirements.txt
index 3173b6f2541..0ba4adad650 100644
--- a/appengine/flexible/numpy/requirements.txt
+++ b/appengine/flexible/numpy/requirements.txt
@@ -1,3 +1,3 @@
 Flask==0.12
 gunicorn==19.7.0
-numpy==1.12.0
+numpy==1.12.1
diff --git a/appengine/flexible/scipy/requirements.txt b/appengine/flexible/scipy/requirements.txt
index 7ce2008e2da..9a764c1c280 100644
--- a/appengine/flexible/scipy/requirements.txt
+++ b/appengine/flexible/scipy/requirements.txt
@@ -1,5 +1,5 @@
 Flask==0.12
 gunicorn==19.7.0
-numpy==1.12.0
+numpy==1.12.1
 scipy==0.19.0
 Pillow==4.0.0