diff --git a/requirements.txt b/requirements.txt
index bc7e1d0..c4b87a5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Pydap==3.0.1
-numpy==1.5.1
+numpy==1.22.0
 statsd-client==1.0.2
 simplejson==2.1.1