diff --git a/Dockerfile b/Dockerfile
index e4f5c88..5f68889 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM homeassistant/home-assistant:2021.3.4
+FROM homeassistant/home-assistant:2021.4.3
 
 COPY src/ /usr/src/homeassistant/homeassistant/
 
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 3bb37c1..5f68889 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,4 +1,4 @@
-FROM homeassistant/home-assistant:2021.3.4
+FROM homeassistant/home-assistant:2021.4.3
 
 COPY src/ /usr/src/homeassistant/homeassistant/
 
@@ -8,6 +8,12 @@ RUN mkdir -p /usr/local/config/custom_components && \
     wget -q -O - https://install.hacs.xyz | bash - && \
     cat /usr/local/config/custom_components/hacs/manifest.json | jq -r .requirements[] | xargs /usr/local/bin/python3 -m pip install --quiet --no-cache-dir --upgrade --constraint /usr/src/homeassistant/homeassistant/package_constraints.txt --find-links https://wheels.home-assistant.io/alpine-3.10/amd64/ --prefer-binary
 
+RUN cd /tmp && \
+    wget https://github.com/zacs/ha-dualmodegeneric/archive/refs/heads/master.zip && \
+    unzip master.zip && \
+    mv ha-dualmodegeneric-master/custom_components/* /usr/local/config/custom_components/ && \
+    rm -rf /tmp/*
+
 ADD entrypoint.sh /entrypoint.sh
 
 ENV PYTHONUSERBASE /config/deps