diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index d837d583..e1153bf4
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ idna==2.9
 kiwisolver==1.2.0
 lxml==4.5.1
 matplotlib==3.2.1
-numpy==1.18.4
+numpy==1.21.0
 pandas==1.0.3
 pyparsing==2.4.7
 python-dateutil==2.8.1