diff --git a/changelog.md b/changelog.md
index 0cc42fcc..a576790c 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,11 +1,12 @@
 # Version 1.65.0 (2024-08-20)
 
-- Bump hahomematic to 2024.8.8
+- Bump hahomematic to 2024.8.9
   - Add CED for ELV-SH-WUA / HmIP-WUA
   - Refactor get_parameters for unignore_candidates
   - Make load only relevant paramset descriptions configurable
   - Add UN_IGNORE_WILDCARD to get_parameters
   - Refactor folder handling
+  - Avoid excessive memory usage in cache
 - Use SELECTORs in config flow
 - Make unignore configurable in the UI
 - Clear cache on schema migration
diff --git a/custom_components/homematicip_local/manifest.json b/custom_components/homematicip_local/manifest.json
index dd7034e8..8a1e2bf1 100644
--- a/custom_components/homematicip_local/manifest.json
+++ b/custom_components/homematicip_local/manifest.json
@@ -10,7 +10,7 @@
   "iot_class": "local_push",
   "issue_tracker": "https://github.com/danielperna84/hahomematic/issues",
   "loggers": ["hahomematic"],
-  "requirements": ["hahomematic==2024.8.8"],
+  "requirements": ["hahomematic==2024.8.9"],
   "ssdp": [
     {
       "manufacturer": "EQ3",
diff --git a/custom_components/homematicip_local/strings.json b/custom_components/homematicip_local/strings.json
index 607cecbe..5ef48bef 100644
--- a/custom_components/homematicip_local/strings.json
+++ b/custom_components/homematicip_local/strings.json
@@ -13,13 +13,10 @@
                 "data": {
                     "callback_host": "Callback Hostname/IP-Address",
                     "callback_port": "Callback XML-RPC Port",
-                    "enable_system_notifications": "Enable system notifications",
                     "host": "CCU Hostname/IP-Address",
                     "instance_name": "Integration instance name",
                     "json_port": "JSON-RPC Port",
                     "password": "CCU Password",
-                    "sysvar_scan_enabled": "enable Sysvar scan",
-                    "sysvar_scan_interval": "Sysvar/Program scan interval",
                     "tls": "use TLS",
                     "username": "CCU Username",
                     "verify_tls": "verify TLS connection"
diff --git a/custom_components/homematicip_local/translations/de.json b/custom_components/homematicip_local/translations/de.json
index a736b6a6..74fc7ce3 100644
--- a/custom_components/homematicip_local/translations/de.json
+++ b/custom_components/homematicip_local/translations/de.json
@@ -13,13 +13,10 @@
                 "data": {
                     "callback_host": "Callback Hostname/IP-Adresse",
                     "callback_port": "Callback XML-RPC Port",
-                    "enable_system_notifications": "aktiviere Systembenachrichtigungen",
                     "host": "CCU Hostname/IP-Adresse",
                     "instance_name": "Instanzname der Integration",
                     "json_port": "JSON-RPC Port",
                     "password": "CCU Passwort",
-                    "sysvar_scan_enabled": "aktiviere Sysvar Scan",
-                    "sysvar_scan_interval": "Sysvar/Program Scan Interval",
                     "tls": "verwende TLS",
                     "username": "CCU Benutzername",
                     "verify_tls": "TLS Verbindung überprüfen"
diff --git a/custom_components/homematicip_local/translations/en.json b/custom_components/homematicip_local/translations/en.json
index 607cecbe..5ef48bef 100644
--- a/custom_components/homematicip_local/translations/en.json
+++ b/custom_components/homematicip_local/translations/en.json
@@ -13,13 +13,10 @@
                 "data": {
                     "callback_host": "Callback Hostname/IP-Address",
                     "callback_port": "Callback XML-RPC Port",
-                    "enable_system_notifications": "Enable system notifications",
                     "host": "CCU Hostname/IP-Address",
                     "instance_name": "Integration instance name",
                     "json_port": "JSON-RPC Port",
                     "password": "CCU Password",
-                    "sysvar_scan_enabled": "enable Sysvar scan",
-                    "sysvar_scan_interval": "Sysvar/Program scan interval",
                     "tls": "use TLS",
                     "username": "CCU Username",
                     "verify_tls": "verify TLS connection"
diff --git a/requirements_test.txt b/requirements_test.txt
index 09cd6adb..f2466d1e 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,7 +1,7 @@
 -r requirements_test_pre_commit.txt
 
 async-upnp-client==0.40.0
-hahomematic==2024.8.8
+hahomematic==2024.8.9
 homeassistant==2024.8.2
 mypy==1.11.1
 mypy-dev==1.11.0a9