diff --git a/washer/requirements.txt b/washer/requirements.txt
index 5dc952c..4413c21 100644
--- a/washer/requirements.txt
+++ b/washer/requirements.txt
@@ -45,7 +45,7 @@ mote==0.0.4
 mypy==0.670
 mypy-extensions==0.4.1
 nudatus==0.0.4
-numpy==1.16.2
+numpy==1.22.0
 oauthlib==2.1.0
 olefile==0.46
 paho-mqtt==1.5.0