diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 14be3a8..ec1ac9c
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,7 +63,7 @@ nose==1.3.7
 nose-timer==0.7.1
 notebook==5.4.1
 notedown==1.5.1
-numpy==1.14.3
+numpy==1.22.0
 pandas==0.23.3
 pandoc-attributes==0.1.7
 pandocfilters==1.4.2