diff --git a/requirements.txt b/requirements.txt
index 13eacb9..eabcba4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.8.1
+numpy==1.22.0
 scipy==0.14.0
 matplotlib==1.3.1
 biopython==1.64