diff --git a/.github/workflows/image_publishing.yml b/.github/workflows/image_publishing.yml
index 800b5cb..27e4166 100644
--- a/.github/workflows/image_publishing.yml
+++ b/.github/workflows/image_publishing.yml
@@ -36,7 +36,7 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           context: .
-          file: Image.Dockerfile
+          file: Dockerfile
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           platforms: linux/amd64,linux/arm64
diff --git a/Action.Dockerfile b/Action.Dockerfile
deleted file mode 100644
index 519d234..0000000
--- a/Action.Dockerfile
+++ /dev/null
@@ -1 +0,0 @@
-FROM sergeyladanov/nrf-connect-sdk:v2.4.2
diff --git a/Image.Dockerfile b/Dockerfile
similarity index 96%
rename from Image.Dockerfile
rename to Dockerfile
index 6e7e08e..b4bdfcb 100644
--- a/Image.Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,11 @@
 FROM debian:stable-slim
 
 #ARG ARCH=amd64
-ARG NRF_CONNECT_TAG=v2.4.2
+ARG NRF_CONNECT_TAG=v2.3.0
 # Should be for selected NRF_CONNECT_TAG
-ARG ZEPHYR_NEEDED_TAG=0.16.0
+ARG ZEPHYR_NEEDED_TAG=0.15.2
 # For new versions - xz
-ARG ZEPHYR_ARCHIVE_EXTENSION=xz
+ARG ZEPHYR_ARCHIVE_EXTENSION=gz
 
 # For entrypoint file
 ENV ZEPHYR_TAG=$ZEPHYR_NEEDED_TAG
diff --git a/README.md b/README.md
index 4e0eb50..6f66138 100644
--- a/README.md
+++ b/README.md
@@ -27,14 +27,10 @@ To select the specific version of  NRF Connect SDK you
 can reference a specific version of GitHub action:
 ```
 uses: embedd-actions/nrf-connect-sdk-ci@v2.3.0
-uses: embedd-actions/nrf-connect-sdk-ci@v2.4.0
 ```
 
 ## List of available tags
 
 ```
 v2.3.0
-v2.4.0
-v2.4.1
-v2.4.2
 ```
diff --git a/action.yml b/action.yml
index 17bcdcf..39931e9 100644
--- a/action.yml
+++ b/action.yml
@@ -10,7 +10,7 @@ inputs:
     default: 'build'
 runs:
   using: 'docker'
-  image: 'Action.Dockerfile'
+  image: 'docker://sergeyladanov/nrf-connect-sdk:v2.3.0'
   args:
     - west 
     - build
diff --git a/docker-compose.yml b/docker-compose.yml
index a01f85b..7e79ce0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,7 +5,7 @@ services:
     container_name: nrf
     build:
       context: .
-      dockerfile: Image.Dockerfile
+      dockerfile: Dockerfile
       args:
         - NRF_CONNECT_TAG=v2.3.0
         - ZEPHYR_NEEDED_TAG=0.15.2