diff --git a/homeassistant/components/cloud/manifest.json b/homeassistant/components/cloud/manifest.json
index e82fc715156..ab87db24ab8 100644
--- a/homeassistant/components/cloud/manifest.json
+++ b/homeassistant/components/cloud/manifest.json
@@ -13,6 +13,6 @@
   "integration_type": "system",
   "iot_class": "cloud_push",
   "loggers": ["acme", "hass_nabucasa", "snitun"],
-  "requirements": ["hass-nabucasa==1.13.0", "openai==2.21.0"],
+  "requirements": ["hass-nabucasa==1.15.0", "openai==2.21.0"],
   "single_config_entry": true
 }
diff --git a/homeassistant/package_constraints.txt b/homeassistant/package_constraints.txt
index a518adf6310..4607f0cca0d 100644
--- a/homeassistant/package_constraints.txt
+++ b/homeassistant/package_constraints.txt
@@ -37,7 +37,7 @@ fnv-hash-fast==1.6.0
 go2rtc-client==0.4.0
 ha-ffmpeg==3.2.2
 habluetooth==5.8.0
-hass-nabucasa==1.13.0
+hass-nabucasa==1.15.0
 hassil==3.5.0
 home-assistant-bluetooth==1.13.1
 home-assistant-frontend==20260128.6
diff --git a/pyproject.toml b/pyproject.toml
index 1c164aef2ca..fd4d2cf1e13 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ dependencies = [
   "fnv-hash-fast==1.6.0",
   # hass-nabucasa is imported by helpers which don't depend on the cloud
   # integration
-  "hass-nabucasa==1.13.0",
+  "hass-nabucasa==1.15.0",
   # When bumping httpx, please check the version pins of
   # httpcore, anyio, and h11 in gen_requirements_all
   "httpx==0.28.1",
diff --git a/requirements.txt b/requirements.txt
index aa942e94b89..ab83f697a82 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ cronsim==2.7
 cryptography==46.0.5
 fnv-hash-fast==1.6.0
 ha-ffmpeg==3.2.2
-hass-nabucasa==1.13.0
+hass-nabucasa==1.15.0
 hassil==3.5.0
 home-assistant-bluetooth==1.13.1
 home-assistant-intents==2026.2.13
diff --git a/requirements_all.txt b/requirements_all.txt
index 1060e35d348..1c887daba65 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1179,7 +1179,7 @@ habluetooth==5.8.0
 hanna-cloud==0.0.7
 
 # homeassistant.components.cloud
-hass-nabucasa==1.13.0
+hass-nabucasa==1.15.0
 
 # homeassistant.components.splunk
 hass-splunk==0.1.1
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 82f058eb3f4..6dec065ebda 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1049,7 +1049,7 @@ habluetooth==5.8.0
 hanna-cloud==0.0.7
 
 # homeassistant.components.cloud
-hass-nabucasa==1.13.0
+hass-nabucasa==1.15.0
 
 # homeassistant.components.splunk
 hass-splunk==0.1.1