diff --git a/Crypto/requirements.txt b/Crypto/requirements.txt
index bab5d42..f84bdc4 100644
--- a/Crypto/requirements.txt
+++ b/Crypto/requirements.txt
@@ -6,7 +6,7 @@ et-xmlfile==1.0.1
 idna==2.6
 jdcal==1.3
 lxml==4.1.1
-numpy==1.14.0
+numpy==1.22.0
 openpyxl==2.4.10
 pandas==0.22.0
 python-dateutil==2.6.1