diff --git a/requirements_dev.txt b/requirements_dev.txt
index c0d43923..31d034ff 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,5 +1,5 @@
 Cython==0.29.21
 msgpack==1.0.2
-numpy==1.19.0
+numpy==1.22.0
 zfpy==0.5.5; python_version < '3.9'