diff --git a/preprocessing/requirements.txt b/preprocessing/requirements.txt
index 36f6eeb..47e57d7 100644
--- a/preprocessing/requirements.txt
+++ b/preprocessing/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.18.1
+numpy==1.22.0
 pandas==1.0.1
 python-dateutil==2.8.1
 pytz==2019.3