diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
deleted file mode 100644
index d6f2bdb..0000000
--- a/.github/workflows/windows.yml
+++ /dev/null
@@ -1,42 +0,0 @@
-name: windows action
-
-on:
-  workflow_dispatch:
-
-jobs:
-
-  build:
-    runs-on: windows-2019
-    steps:
-      - name: checkout the source
-        uses: actions/checkout@v4
-
-      - name: set up python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.8'
-
-      - name: install cmake
-        run: |
-          curl -L https://cmake.org/files/v3.28/cmake-3.28.0-rc4-windows-x86_64.zip -o cmake.zip
-          Expand-Archive -LiteralPath cmake.zip -DestinationPath . -Force
-
-      - name: install ninja
-        run: |
-          curl -L https://github.com/ninja-build/ninja/releases/download/v1.11.1/ninja-win.zip -o ninja.zip
-          Expand-Archive -LiteralPath ninja.zip -DestinationPath . -Force
-
-      - name: build
-        run: |
-          cd native
-          ..\cmake-3.28.0-rc4-windows-x86_64\bin\cmake.exe -DCMAKE_BUILD_TYPE=Release -DCMAKE_MAKE_PROGRAM=..\ninja.exe -G Ninja -S . -B build-release
-          ..\cmake-3.28.0-rc4-windows-x86_64\bin\cmake.exe --build build-release --target all
-          python main.py
-          Compress-Archive -Path target\* -DestinationPath build-windows.zip
-
-      - name: upload artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: build-artifact
-          path: |
-            native/build-windows.zip
\ No newline at end of file
diff --git a/docker-build.sh b/docker-build.sh
new file mode 100644
index 0000000..e63da2f
--- /dev/null
+++ b/docker-build.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+IMAGE_NAME="code-encryptor"
+CONTAINER_NAME="code-encryptor-builder"
+Y4_VERSION="0.4"
+
+EXISTING_IMAGE=$(docker images -q $IMAGE_NAME:$Y4_VERSION)
+if [ ! -z "$EXISTING_IMAGE" ]; then
+    echo "image $IMAGE_NAME:$Y4_VERSION already exists. deleting..."
+    docker rmi $EXISTING_IMAGE
+fi
+
+docker build -t $IMAGE_NAME:$Y4_VERSION .
+CONTAINER_ID=$(docker run -d --name $CONTAINER_NAME $IMAGE_NAME:$Y4_VERSION)
+echo "container is running with ID: $CONTAINER_ID"
+
+echo "waiting for container to complete the task"
+docker wait $CONTAINER_ID
+
+docker cp $CONTAINER_ID:/app/build.zip .
+echo "file copied to build.zip"
+
+docker stop $CONTAINER_ID
+docker rm $CONTAINER_ID
+
+echo "container stopped and removed"
diff --git a/src/main/java/org/y4sec/encryptor/core/Constants.java b/src/main/java/org/y4sec/encryptor/core/Constants.java
index 87edd06..a6186f8 100644
--- a/src/main/java/org/y4sec/encryptor/core/Constants.java
+++ b/src/main/java/org/y4sec/encryptor/core/Constants.java
@@ -4,7 +4,7 @@
  * Constants
  */
 public interface Constants {
-    String Version = "0.3";
+    String Version = "0.4";
     String DecrypterDLL = "libdecrypter.dll";
     String DecrypterSo = "libdecrypter.so";
     String EncryptorDLL = "libencryptor.dll";