diff --git a/requirements.txt b/requirements.txt
index 94af3c0..f98478d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy == 1.15.2
+numpy == 1.22.0
 biopython == 1.72
 docopt == 0.6.2
 pandas == 0.22.0