diff --git a/requirements.txt b/requirements.txt
index eac9197..d8ba68b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 bibtexparser==1.1.0
 future==0.18.2
-numpy==1.18.1
+numpy==1.22.0
 pandas==1.0.0
 pyparsing==2.4.6
 python-dateutil==2.8.1