diff --git a/requirements.txt b/requirements.txt
index 9970751..591d185 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.15.4
+numpy==1.22.0
 pandas==0.24.2
 scikit-learn==0.20.3
 rdflib==4.2.2