diff --git a/CHANGELOG.md b/CHANGELOG.md
index a77022d..16e57b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [unreleased]
 
+- add-on: bump python to version 3.12.10-r1
 - set no of pv modules for MS800 GEN3PLUS inverters
 - fix the paths to copy the config.example.toml file during proxy start
 - add MQTT topic `dcu_power` for setting output power on DCUs
diff --git a/ha_addons/Makefile b/ha_addons/Makefile
index b1e0ccb..61aecad 100644
--- a/ha_addons/Makefile
+++ b/ha_addons/Makefile
@@ -192,7 +192,7 @@ $(repro_all_subdirs) :
 	mkdir -p $@
 
 $(repro_all_templates) : $(INST_BASE)/ha_addon_%/config.yaml: $(TEMPL)/config.jinja $(TEMPL)/%_data.json $(SRC)/.version FORCE
-	$(JINJA) --strict -D AppVersion=$(VERSION)-$* -D BuildID=$(BUILD_ID) $< $(filter %.json,$^) -o $@
+	$(JINJA) --strict -D AppVersion=$(VERSION)-$*$(RC) -D BuildID=$(BUILD_ID) $< $(filter %.json,$^) -o $@
 
 $(repro_all_apparmor) : $(INST_BASE)/ha_addon_%/apparmor.txt: $(TEMPL)/apparmor.jinja $(TEMPL)/%_data.json
 	$(JINJA) --strict $< $(filter %.json,$^) -o $@
diff --git a/ha_addons/ha_addon/Dockerfile b/ha_addons/ha_addon/Dockerfile
index 3557e13..a23882f 100755
--- a/ha_addons/ha_addon/Dockerfile
+++ b/ha_addons/ha_addon/Dockerfile
@@ -18,7 +18,7 @@ ARG BUILD_FROM="ghcr.io/hassio-addons/base:17.2.5"
 FROM $BUILD_FROM AS base
 
 # Installiere Python, pip und virtuelle Umgebungstools
-RUN apk add --no-cache python3=3.12.10-r0 py3-pip=24.3.1-r0 && \
+RUN apk add --no-cache python3=3.12.10-r1 py3-pip=24.3.1-r0 && \
     python -m venv /opt/venv && \
     . /opt/venv/bin/activate
 
diff --git a/ha_addons/templates/rc_data.json b/ha_addons/templates/rc_data.json
index 05d33ce..b9e5fd4 100644
--- a/ha_addons/templates/rc_data.json
+++ b/ha_addons/templates/rc_data.json
@@ -2,7 +2,6 @@
 {
     "name": "TSUN-Proxy (Release Candidate)",
     "description": "MQTT Proxy for TSUN Photovoltaic Inverters",
-    "version": "rc",
     "image": "ghcr.io/s-allius/tsun-gen3-addon",
     "slug": "tsun-proxy-rc",
     "advanced": true,