diff --git a/requirements.txt b/requirements.txt
index 3d518bf..15ab3ad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.19
+numpy==1.21.0
 pandas==1.1
 scikit-learn==0.22
 biopython==1.74