diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index e11e04f..2818cac
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ mistune==0.8.1
 nbconvert==5.1.1
 nbformat==4.3.0
 notebook>=5.7.8
-numpy==1.12.1
+numpy==1.22.0
 packaging==16.8
 pandas==0.19.2
 pandocfilters==1.4.1