diff --git a/requirements.txt b/requirements.txt
index dd9d672..67bc43b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.18.1
+numpy==1.22.0
 pandas==1.0.1
 scikit-allel==1.2.1
 Cython==0.29.15