diff --git a/requirements.txt b/requirements.txt
index 4836630..c2041de 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ kiwisolver==1.1.0         # via matplotlib
 matplotlib==3.1.2
 mock==3.0.5               # via pytest-shutil
 more-itertools==8.1.0     # via pytest
-numpy==1.18.1
+numpy==1.22.0
 packaging==20.1           # via pytest
 pandas==0.25.3
 pluggy==0.13.1            # via pytest