diff --git a/.gitignore b/.gitignore
index c5018b7..a12f7a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,5 +2,5 @@
 .idea
 .vscode
 
-/vendor/web-cli_Tizen_Studio_*
+/vendor
 /todo.txt
diff --git a/Dockerfile b/Dockerfile
index 5db3590..7224e68 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:22.04
+FROM --platform=linux/amd64 ubuntu:22.04
 
 # Install prerequisites
 RUN apt-get update && apt-get install -y \
@@ -58,11 +58,14 @@ RUN mv ${HOME}/tizen-studio /tizen-studio \
   && ln -s /tizen-studio ${HOME}/tizen-studio
 
 # Copy and extract webOS CLI
-ARG WEBOS_SDK_PATH=/webOS_TV_SDK
-COPY vendor/webos_cli_tv.zip .
-RUN unzip -q webos_cli_tv.zip -d ${WEBOS_SDK_PATH} \
-  && chmod -R +x ${WEBOS_SDK_PATH}/CLI/bin \
-  && rm webos_cli_tv.zip
+ARG WEBOS_CLI_VERSION=1.12.4-j27
+ENV LG_WEBOS_TV_SDK_HOME=/webOS_TV_SDK
+ENV WEBOS_CLI_TV=${LG_WEBOS_TV_SDK_HOME}/CLI/bin
+COPY vendor/webOS_TV_CLI_linux_${WEBOS_CLI_VERSION}.tgz ./webos_cli.tgz
+RUN mkdir -p ${LG_WEBOS_TV_SDK_HOME}
+RUN tar -xvzf webos_cli.tgz -C ${LG_WEBOS_TV_SDK_HOME} \
+  && chmod -R +x ${WEBOS_CLI_TV} \
+  && rm webos_cli.tgz
 
 # Add tizen/webos cli to PATH
-ENV PATH $PATH:/tizen-studio/tools/:/tizen-studio/tools/ide/bin/:/tizen-studio/package-manager/:${WEBOS_SDK_PATH}/CLI/bin
+ENV PATH $PATH:/tizen-studio/tools/:/tizen-studio/tools/ide/bin/:/tizen-studio/package-manager/:${WEBOS_CLI_TV}
diff --git a/README.md b/README.md
index 00b116e..d169f33 100644
--- a/README.md
+++ b/README.md
@@ -308,6 +308,10 @@ docker run -it --rm \
 tbd
 
 ## Changelog
+#### 3.0
+- update Tizen Studio to 5.5
+- update webOS sdk to 1.12.4-j27
+
 #### 2.0
 - update Tizen Studio to 4.1.1
 - update webOS sdk to 1.11.0
@@ -323,16 +327,16 @@ Initial version
 docker build -t vitalets/tizen-webos-sdk .
 ```
 ##### Fast way
-1. Download Tizen Studio installer to `vendor` dir (once):
+1. Download Tizen Studio installer to `vendor` dir (change version if needed):
     ```bash
-    TIZEN_STUDIO_VERSION=4.1.1
+    TIZEN_STUDIO_VERSION=5.5
     wget http://download.tizen.org/sdk/Installer/tizen-studio_${TIZEN_STUDIO_VERSION}/web-cli_Tizen_Studio_${TIZEN_STUDIO_VERSION}_ubuntu-64.bin \
     -O vendor/web-cli_Tizen_Studio_${TIZEN_STUDIO_VERSION}_ubuntu-64.bin
     ```
 
-2. Build container using local Tizen Studio installer:
+2. Build container using downloaded Tizen Studio installer (change version if needed):
     ```bash
-    TIZEN_STUDIO_VERSION=4.1.1
+    TIZEN_STUDIO_VERSION=5.5
     docker run -d --rm --name nginx-temp -p 8080:80 -v $(pwd)/vendor:/usr/share/nginx/html:ro nginx \
     && docker build -t vitalets/tizen-webos-sdk . \
       --build-arg TIZEN_STUDIO_URL=http://172.17.0.1:8080/web-cli_Tizen_Studio_${TIZEN_STUDIO_VERSION}_ubuntu-64.bin \
@@ -340,16 +344,26 @@ docker build -t vitalets/tizen-webos-sdk .
     ```
 
 ### Update webOS sdk
-1. Download [latest installer for linux](https://webostv.developer.lge.com/sdk/installation/download-installer/#)
-2. Unzip `webOS_SDK_TV_Installer_linux64_min.zip`
-3. Unzip again `webOS_SDK_TV_linux64.zip`
-4. Copy `webos_cli_tv.zip` to `vendor` dir
+1. Download [latest installer for linux](https://webostv.developer.lge.com/develop/tools/cli-installation) and move it to `vendor` folder
+2. In `Dockerfile` change `WEBOS_CLI_VERSION` to corresponding version
+3. Build docker image
 
 ### Test
 ```bash
 ./test.sh
 ```
 
+### Debug
+```
+docker run -it --rm --platform linux/amd64 -v /home/developer vitalets/tizen-webos-sdk bash
+```
+And check sdk commands, e.g.:
+```
+tizen version
+# or
+ares-setup-device --version
+```
+
 ### Generate TOC
 ```
 docker run --rm -it -v $(pwd):/usr/src jorgeandrada/doctoc --github README.md
diff --git a/test.sh b/test.sh
index 0176aaa..95111c9 100755
--- a/test.sh
+++ b/test.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 cmd() {
-  echo $(docker run -it --rm -v /home/developer vitalets/tizen-webos-sdk $@) | tr -d '\r'
+  echo $(docker run -it --rm --platform linux/amd64 -v /home/developer vitalets/tizen-webos-sdk $@) | tr -d '\r'
 }
 
 assert() {
@@ -16,5 +16,5 @@ assert() {
 }
 
 assert "$(cmd tizen version)" "Tizen CLI 2.5.25"
-assert "$(cmd sdb version)" "Smart Development Bridge version 4.2.16"
-assert "$(cmd ares-setup-device --version)" "Version: 1.11.0-j31-k"
+assert "$(cmd sdb version)" "Smart Development Bridge version 4.2.25"
+assert "$(cmd ares -V)" "webOS TV CLI Version: 1.12.4-j27"
diff --git a/vendor/webos_cli_tv.zip b/vendor/webos_cli_tv.zip
deleted file mode 100644
index 5eba577..0000000
Binary files a/vendor/webos_cli_tv.zip and /dev/null differ