diff --git a/homeassistant/components/opower/manifest.json b/homeassistant/components/opower/manifest.json
index 175fdfe63cd..3ae4ef2a8e8 100644
--- a/homeassistant/components/opower/manifest.json
+++ b/homeassistant/components/opower/manifest.json
@@ -8,5 +8,5 @@
   "iot_class": "cloud_polling",
   "loggers": ["opower"],
   "quality_scale": "bronze",
-  "requirements": ["opower==0.15.8"]
+  "requirements": ["opower==0.15.9"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 13cd0d92da8..5dd40dc3e63 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1652,7 +1652,7 @@ openwrt-luci-rpc==1.1.17
 openwrt-ubus-rpc==0.0.2
 
 # homeassistant.components.opower
-opower==0.15.8
+opower==0.15.9
 
 # homeassistant.components.oralb
 oralb-ble==0.17.6
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 0cc1a900db2..1aa1daa1ce5 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1411,7 +1411,7 @@ openrgb-python==0.3.6
 openwebifpy==4.3.1
 
 # homeassistant.components.opower
-opower==0.15.8
+opower==0.15.9
 
 # homeassistant.components.oralb
 oralb-ble==0.17.6
diff --git a/tests/components/opower/conftest.py b/tests/components/opower/conftest.py
index ea1fc5e1e37..7529850d0bc 100644
--- a/tests/components/opower/conftest.py
+++ b/tests/components/opower/conftest.py
@@ -37,7 +37,7 @@ def mock_opower_api() -> Generator[AsyncMock]:
         "homeassistant.components.opower.coordinator.Opower", autospec=True
     ) as mock_api:
         api = mock_api.return_value
-        api.utility = PGE
+        api.utility = PGE()
 
         api.async_get_accounts.return_value = [
             Account(