diff --git a/requirements_dev.txt b/requirements_dev.txt
index f6a97b1..f14ef1e 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,5 +1,5 @@
 matplotlib==3.3.0
-numpy==1.19.1
+numpy==1.22.0
 pytest==6.0.1
 black==19.10b0
 mypy==0.782