diff --git a/requirements.txt b/requirements.txt
index c50efff..873db2a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,5 +4,5 @@ Flask-WTF==0.14.3
 WTForms==2.2.1
 pymc3==3.8
 theano==1.0.4
-numpy==1.18.1
+numpy==1.22.0
 arviz==0.7.0