diff --git a/demo/api/requirements.txt b/demo/api/requirements.txt
index 5f26b9e..d9492d4 100644
--- a/demo/api/requirements.txt
+++ b/demo/api/requirements.txt
@@ -15,7 +15,7 @@ Markdown==3.0.1
 MarkupSafe==1.1.1
 mock==2.0.0
 nltk==3.4
-numpy==1.16.2
+numpy==1.22.0
 pbr==5.1.3
 protobuf==3.7.0
 PyYAML==5.1