diff --git a/requirements.txt b/requirements.txt
index a3b5c44..1762b46 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 EGCG-Core==0.11.1
 openpyxl==2.5.12
 Pillow==9.0.1
-numpy==1.15.3
+numpy==1.22.0
 python-barcode==0.9.0
 lxml==4.6.5
 python-docx==0.8.7