diff --git a/luigi/requirements.txt b/luigi/requirements.txt
old mode 100755
new mode 100644
index 74dca85..814ee97
--- a/luigi/requirements.txt
+++ b/luigi/requirements.txt
@@ -45,7 +45,7 @@ nbformat==4.4.0
 networkx==2.0
 notebook==5.2.2
 numexpr==2.6.4
-numpy==1.14.0
+numpy==1.22.0
 olefile==0.44
 pandas==0.21.1
 pandocfilters==1.4.2