diff --git a/deploy/overlays/production/kustomization.yaml b/deploy/overlays/production/kustomization.yaml
index 37c1f3f..f5322b7 100644
--- a/deploy/overlays/production/kustomization.yaml
+++ b/deploy/overlays/production/kustomization.yaml
@@ -13,7 +13,7 @@ resources:
 images:
 - name: math-exercises
   newName: harbor.cl1.parano.ch/library/math-exercice
-  newTag: 1.2.0
+  newTag: 1.4.0
 
 # Production-specific labels