diff --git a/rafiki/requirements.txt b/rafiki/requirements.txt
index 35aa1331..ef66b326 100644
--- a/rafiki/requirements.txt
+++ b/rafiki/requirements.txt
@@ -1,5 +1,5 @@
 requests==2.20.0
-numpy==1.14.5
+numpy==1.22.0
 Pillow==5.3.0
 tqdm==4.28.1
 msgpack==0.6.1