diff --git a/homeassistant/components/matter/manifest.json b/homeassistant/components/matter/manifest.json
index d3d0568342e..801704c25c5 100644
--- a/homeassistant/components/matter/manifest.json
+++ b/homeassistant/components/matter/manifest.json
@@ -6,5 +6,5 @@
   "dependencies": ["websocket_api"],
   "documentation": "https://www.home-assistant.io/integrations/matter",
   "iot_class": "local_push",
-  "requirements": ["python-matter-server==5.4.1"]
+  "requirements": ["python-matter-server==5.5.0"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index c2b79b5a9de..f9c5d48ed96 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2241,7 +2241,7 @@ python-kasa[speedups]==0.6.2.1
 # python-lirc==1.2.3
 
 # homeassistant.components.matter
-python-matter-server==5.4.1
+python-matter-server==5.5.0
 
 # homeassistant.components.xiaomi_miio
 python-miio==0.5.12
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 8f8e51ed281..9ab268117c6 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1714,7 +1714,7 @@ python-juicenet==1.1.0
 python-kasa[speedups]==0.6.2.1
 
 # homeassistant.components.matter
-python-matter-server==5.4.1
+python-matter-server==5.5.0
 
 # homeassistant.components.xiaomi_miio
 python-miio==0.5.12
diff --git a/tests/components/matter/test_api.py b/tests/components/matter/test_api.py
index 892f935ebab..8e463800f98 100644
--- a/tests/components/matter/test_api.py
+++ b/tests/components/matter/test_api.py
@@ -229,6 +229,7 @@ async def test_node_diagnostics(
         mac_address="00:11:22:33:44:55",
         available=True,
         active_fabrics=[MatterFabricData(2, 4939, 1, vendor_name="Nabu Casa")],
+        active_fabric_index=0,
     )
     matter_client.node_diagnostics = AsyncMock(return_value=mock_diagnostics)