diff --git a/homeassistant/components/postnl/manifest.json b/homeassistant/components/postnl/manifest.json
index d07f9746ee8..c45eea0610d 100644
--- a/homeassistant/components/postnl/manifest.json
+++ b/homeassistant/components/postnl/manifest.json
@@ -3,7 +3,7 @@
   "name": "Postnl",
   "documentation": "https://www.home-assistant.io/integrations/postnl",
   "requirements": [
-    "postnl_api==1.0.2"
+    "postnl_api==1.2.2"
   ],
   "dependencies": [],
   "codeowners": []
diff --git a/homeassistant/components/postnl/sensor.py b/homeassistant/components/postnl/sensor.py
index cd190c09d87..6155f58519a 100644
--- a/homeassistant/components/postnl/sensor.py
+++ b/homeassistant/components/postnl/sensor.py
@@ -58,7 +58,7 @@ class PostNLSensor(Entity):
     def __init__(self, api, name):
         """Initialize the PostNL sensor."""
         self._name = name
-        self._attributes = {ATTR_ATTRIBUTION: ATTRIBUTION}
+        self._attributes = {ATTR_ATTRIBUTION: ATTRIBUTION, "shipments": []}
         self._state = None
         self._api = api
 
@@ -90,6 +90,11 @@ class PostNLSensor(Entity):
     @Throttle(MIN_TIME_BETWEEN_UPDATES)
     def update(self):
         """Update device state."""
-        shipments = self._api.get_relevant_shipments()
-        self._attributes["shipments"] = shipments
+        shipments = self._api.get_relevant_deliveries()
+
+        self._attributes["shipments"] = []
+
+        for shipment in shipments:
+            self._attributes["shipments"].append(vars(shipment))
+
         self._state = len(shipments)
diff --git a/requirements_all.txt b/requirements_all.txt
index 4e95af20556..ac41e7b1e46 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -999,7 +999,7 @@ pmsensor==0.4
 pocketcasts==0.1
 
 # homeassistant.components.postnl
-postnl_api==1.0.2
+postnl_api==1.2.2
 
 # homeassistant.components.reddit
 praw==6.4.0