diff --git a/.github/workflows/builder.yaml b/.github/workflows/builder.yaml
index 9064500..1a154a3 100644
--- a/.github/workflows/builder.yaml
+++ b/.github/workflows/builder.yaml
@@ -64,7 +64,7 @@ jobs:
     strategy:
       matrix:
         addon: ${{ fromJson(needs.init.outputs.changed_addons) }}
-        arch: ["aarch64", "amd64", "armhf", "armv7", "i386"]
+        arch: ["aarch64", "amd64"]
 
     steps:
       - name: Check out repository
diff --git a/README.md b/README.md
index 963b42b..6229310 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,6 @@
 # Tekmar Packet Server (tekmar-packetserv)
 ![Supports aarch64 Architecture][aarch64-shield]
 ![Supports amd64 Architecture][amd64-shield]
-![Supports armhf Architecture][armhf-shield]
-![Supports armv7 Architecture][armv7-shield]
-![Supports i386 Architecture][i386-shield]
 
 This is a Home Assistant Add-On used by the [Tekmar Gateway 482 Integration](https://github.com/WillCodeForCats/tekmar-482) to communicate with your Tekmar networked thermostats, setpoint controls, and snow melting controls.
 
@@ -39,7 +36,4 @@ Implemented using "tN4 Gateway 482 - Custom Integration Tools" and "Tekmar Home
 Tekmar, tekmarNet, tN4, tN2, and related logos and trademarks are copyright 2021 Watts.
 
 [aarch64-shield]: https://img.shields.io/badge/aarch64-yes-green.svg
-[amd64-shield]: https://img.shields.io/badge/amd64-yes-green.svg
-[armhf-shield]: https://img.shields.io/badge/armhf-yes-green.svg
-[armv7-shield]: https://img.shields.io/badge/armv7-yes-green.svg
-[i386-shield]: https://img.shields.io/badge/i386-yes-green.svg
+[amd64-shield]: https://img.shields.io/badge/amd64-yes-green.svg
\ No newline at end of file
diff --git a/tekmar_packetserv/CHANGELOG.md b/tekmar_packetserv/CHANGELOG.md
index bde6da7..0647b2a 100644
--- a/tekmar_packetserv/CHANGELOG.md
+++ b/tekmar_packetserv/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 1.3.0
+- Drop support for armhf, armv7, and i386 architectures.
+
 ## 1.2.2
 - Update documentation.
 
diff --git a/tekmar_packetserv/Dockerfile b/tekmar_packetserv/Dockerfile
index e4c9fb9..be2c7dc 100755
--- a/tekmar_packetserv/Dockerfile
+++ b/tekmar_packetserv/Dockerfile
@@ -1,7 +1,7 @@
 ARG BUILD_FROM
-FROM $BUILD_FROM
+FROM ${BUILD_FROM}
 
-ENV LANG C.UTF-8
+ENV LANG=C.UTF-8
 
 ARG TEMPIO_VERSION BUILD_ARCH
 RUN \
diff --git a/tekmar_packetserv/build.yaml b/tekmar_packetserv/build.yaml
index 9c49868..8f90bd0 100644
--- a/tekmar_packetserv/build.yaml
+++ b/tekmar_packetserv/build.yaml
@@ -2,9 +2,6 @@
 build_from:
   aarch64: "ghcr.io/home-assistant/aarch64-base:3.18"
   amd64: "ghcr.io/home-assistant/amd64-base:3.18"
-  armhf: "ghcr.io/home-assistant/armhf-base:3.18"
-  armv7: "ghcr.io/home-assistant/armv7-base:3.18"
-  i386: "ghcr.io/home-assistant/i386-base:3.18"
 labels:
   org.opencontainers.image.title: "Home Assistant Add-on: Tekmar packet server"
   org.opencontainers.image.description: "Communicate with the Tekmar Gateway 482."
diff --git a/tekmar_packetserv/config.json b/tekmar_packetserv/config.json
index 96336b5..f4dacd1 100755
--- a/tekmar_packetserv/config.json
+++ b/tekmar_packetserv/config.json
@@ -1,10 +1,10 @@
 {
   "name": "Tekmar Packet Server",
-  "version": "1.2.2",
+  "version": "1.3.0",
   "url": "https://github.com/WillCodeForCats/tekmar-packetserv",
   "slug": "tekmar_packetserv",
   "description": "Connect with the Tekmar Gateway 482",
-  "arch": ["armhf", "armv7", "aarch64", "amd64", "i386"],
+  "arch": ["aarch64", "amd64"],
   "image": "ghcr.io/willcodeforcats/{arch}-tekmar-packetserv",
   "init": false,
   "options": {