diff --git a/tekmar_packetserv/CHANGELOG.md b/tekmar_packetserv/CHANGELOG.md
index 0647b2a..6edf55d 100644
--- a/tekmar_packetserv/CHANGELOG.md
+++ b/tekmar_packetserv/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.3.1
+- Update to base 3.19
+- Remove tempio
+
 ## 1.3.0
 - Drop support for armhf, armv7, and i386 architectures.
 
diff --git a/tekmar_packetserv/Dockerfile b/tekmar_packetserv/Dockerfile
index be2c7dc..1b5e2b3 100755
--- a/tekmar_packetserv/Dockerfile
+++ b/tekmar_packetserv/Dockerfile
@@ -1,16 +1,14 @@
 ARG BUILD_FROM
-FROM ${BUILD_FROM}
+FROM $BUILD_FROM
 
+# Add env
 ENV LANG=C.UTF-8
 
-ARG TEMPIO_VERSION BUILD_ARCH
-RUN \
-    curl -sSLf -o /usr/bin/tempio \
-    "https://github.com/home-assistant/tempio/releases/download/${TEMPIO_VERSION}/tempio_${BUILD_ARCH}"
-
 # Install requirements for add-on
-RUN apk add --no-cache python3
-RUN apk add --no-cache py3-pip
-RUN pip3 --no-cache-dir install pyserial
+RUN \
+    apk add --no-cache python3 \
+    && apk add --no-cache py3-pip \
+    && apk add --no-cache py3-pyserial
 
+# Copy data
 COPY rootfs /
diff --git a/tekmar_packetserv/build.yaml b/tekmar_packetserv/build.yaml
index 8f90bd0..19802ce 100644
--- a/tekmar_packetserv/build.yaml
+++ b/tekmar_packetserv/build.yaml
@@ -1,11 +1,9 @@
 # https://developers.home-assistant.io/docs/add-ons/configuration#add-on-dockerfile
 build_from:
-  aarch64: "ghcr.io/home-assistant/aarch64-base:3.18"
-  amd64: "ghcr.io/home-assistant/amd64-base:3.18"
+  aarch64: "ghcr.io/home-assistant/aarch64-base:3.19"
+  amd64: "ghcr.io/home-assistant/amd64-base:3.19"
 labels:
   org.opencontainers.image.title: "Home Assistant Add-on: Tekmar packet server"
   org.opencontainers.image.description: "Communicate with the Tekmar Gateway 482."
   org.opencontainers.image.source: "https://github.com/WillCodeForCats/tekmar-packetserv"
   org.opencontainers.image.licenses: "MIT License"
-args:
-  TEMPIO_VERSION: "2021.09.0"
diff --git a/tekmar_packetserv/config.json b/tekmar_packetserv/config.json
index f4dacd1..9b6a378 100755
--- a/tekmar_packetserv/config.json
+++ b/tekmar_packetserv/config.json
@@ -1,6 +1,6 @@
 {
   "name": "Tekmar Packet Server",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "url": "https://github.com/WillCodeForCats/tekmar-packetserv",
   "slug": "tekmar_packetserv",
   "description": "Connect with the Tekmar Gateway 482",