diff --git a/interp/requirements.txt b/interp/requirements.txt
old mode 100755
new mode 100644
index 2b3bffa..6823fdd
--- a/interp/requirements.txt
+++ b/interp/requirements.txt
@@ -19,7 +19,7 @@ jupyter-client==5.3.4
 jupyter-core==4.6.1
 kiwisolver==1.1.0
 matplotlib==3.1.2
-numpy==1.18.1
+numpy==1.22.0
 pandas==0.25.3
 parso==0.5.2
 pexpect==4.8.0