diff --git a/requirements.txt b/requirements.txt
index 31e51dd..d0d9e28 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 argparse==1.2.1
 biopython==1.62b
 nose==1.3.0
-numpy==1.7.1
+numpy==1.21.0
 wsgiref==0.1.2