diff --git a/requirements.txt b/requirements.txt
index 54e1da8..50e5861 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 -e git+https://github.com/so-much-meta/lczero_tools.git@0636285a63cc16c5d0f50bd6d35d9c3a19fb58d2#egg=lczero_tools
-numpy==1.15.4
+numpy==1.22.0
 Pillow==5.3.0
 python-chess==0.23.10
 six==1.11.0