diff --git a/requirements.txt b/requirements.txt
index 6c69b1d..e98d470 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 numba==0.51.2
-numpy==1.18.2
+numpy==1.22.0
 matplotlib==3.2.1
 pytest==5.4.1
 pytest-cov==2.8.1