diff --git a/src/diagram2graph/requirements.txt b/src/diagram2graph/requirements.txt
index 2a2b5c888..4607b2a79 100644
--- a/src/diagram2graph/requirements.txt
+++ b/src/diagram2graph/requirements.txt
@@ -1,5 +1,5 @@
 # pip install -r requirements.txt
-numpy==1.16.2
+numpy==1.22.0
 opencv-contrib-python==4.0.0.21
 pillow>=6.2.2
 imutils==0.5.2