diff --git a/requirements.txt b/requirements.txt
index 6e64f35..6bd2660 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ contextlib2==0.5.5
 git+https://github.com/schmidtbri/ml-model-abc-improvements#egg=iris_model
 joblib==0.14.0
 marshmallow==3.2.1
-numpy==1.17.3
+numpy==1.22.0
 PyYAML==5.4
 schema==0.7.0
 scikit-learn==0.21.0