diff --git a/pca_service/requirements.txt b/pca_service/requirements.txt
index e06ad20..79df154 100644
--- a/pca_service/requirements.txt
+++ b/pca_service/requirements.txt
@@ -8,7 +8,7 @@ Flask == 0.10.1
 Flask_Cors == 3.0.2
 
 # planes.py: 5
-numpy == 1.11.3
+numpy == 1.22.0
 
 # planes.py: 4
 pandas == 0.19.2