diff --git a/ldsc_mod/requirements.txt b/ldsc_mod/requirements.txt
old mode 100755
new mode 100644
index 609ddae..a2a8eb0
--- a/ldsc_mod/requirements.txt
+++ b/ldsc_mod/requirements.txt
@@ -1,6 +1,6 @@
 argparse==1.3.0
 bitarray==0.8.1
 nose==1.3.4
-numpy==1.11.1
+numpy==1.21.0
 pandas==0.18.1
 scipy==0.18.0