diff --git a/sphinx/requirements.txt b/sphinx/requirements.txt
index 1f9f1e6..9657bf4 100644
--- a/sphinx/requirements.txt
+++ b/sphinx/requirements.txt
@@ -28,7 +28,7 @@ matplotlib==3.3.1
 murmurhash==1.0.5
 networkx==2.5
 nltk==3.5
-numpy==1.19.1
+numpy==1.22.0
 opencv-python==4.4.0.42
 packaging==20.9
 pandas==1.1.1