diff --git a/E-Certificate-Writer/requirements.txt b/E-Certificate-Writer/requirements.txt
index acace13..ec90e2a 100644
--- a/E-Certificate-Writer/requirements.txt
+++ b/E-Certificate-Writer/requirements.txt
@@ -1,5 +1,5 @@
 img2pdf==0.3.3
-numpy==1.17.2
+numpy==1.22.0
 pandas==0.25.1
 Pillow==8.3.2
 python-dateutil==2.8.0