diff --git a/hansardparser/plenaryparser/requirements.txt b/hansardparser/plenaryparser/requirements.txt
index ea5086c..13ee79f 100644
--- a/hansardparser/plenaryparser/requirements.txt
+++ b/hansardparser/plenaryparser/requirements.txt
@@ -4,7 +4,7 @@ google-api-python-client==1.7.8
 google-cloud-storage==1.14.0
 gunicorn==19.9.0
 nltk==3.2.1
-numpy==1.16.2
+numpy==1.22.0
 pandas==0.24.2
 PyPDF2==1.26.0
 requests==2.21.0