diff --git a/requirements-dev.txt b/requirements-dev.txt
old mode 100755
new mode 100644
index bfa239408c..c24eff118d
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
 Cython==0.29.24
 Jinja2==3.0.2
-numpy==1.19.2 ; python_version <= '3.8'
+numpy==1.22.2 ; python_version <= '3.8'
 numpy==1.19.3 ; python_version >= '3.9'
 pybind11==2.8.0
 cmake==3.21.3