diff --git a/requirements.txt b/requirements.txt
index faedf6c..a5018cf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ Markdown==3.1.1
 MarkupSafe==1.1.1
 matplotlib==3.1.0
 nltk==3.4.5
-numpy==1.16.4
+numpy==1.22.0
 numpydoc==0.9.1
 pandas==0.24.2
 pandocfilters==1.4.2