diff --git a/.changes/unreleased/Fixed-20250417-105627.yaml b/.changes/unreleased/Fixed-20250417-105627.yaml
new file mode 100644
index 000000000..005f2cd3f
--- /dev/null
+++ b/.changes/unreleased/Fixed-20250417-105627.yaml
@@ -0,0 +1,7 @@
+kind: Fixed
+body: |
+    Remove the "not null" validation constraint on recently added properties on HouseholdComposition
+time: 2025-04-17T10:56:27.939628281+02:00
+custom:
+    Issue: "380"
+    SchemaChange: No schema change
diff --git a/src/Bundle/ChillPersonBundle/Entity/Household/HouseholdComposition.php b/src/Bundle/ChillPersonBundle/Entity/Household/HouseholdComposition.php
index ac84bb3fd..10d63e19d 100644
--- a/src/Bundle/ChillPersonBundle/Entity/Household/HouseholdComposition.php
+++ b/src/Bundle/ChillPersonBundle/Entity/Household/HouseholdComposition.php
@@ -58,13 +58,11 @@ class HouseholdComposition implements TrackCreationInterface, TrackUpdateInterfa
     #[ORM\Column(type: \Doctrine\DBAL\Types\Types::INTEGER, nullable: true, options: ['default' => null])]
     private ?int $numberOfChildren = null;
 
-    #[Assert\NotNull]
     #[Assert\GreaterThanOrEqual(0, groups: ['Default', 'household_composition'])]
     #[Serializer\Groups(['docgen:read'])]
     #[ORM\Column(type: \Doctrine\DBAL\Types\Types::INTEGER, nullable: true, options: ['default' => null])]
     private ?int $numberOfDependents = null;
 
-    #[Assert\NotNull]
     #[Assert\GreaterThanOrEqual(0, groups: ['Default', 'household_composition'])]
     #[Serializer\Groups(['docgen:read'])]
     #[ORM\Column(type: \Doctrine\DBAL\Types\Types::INTEGER, nullable: true, options: ['default' => null])]