diff --git a/.github/workflows/platform_natives.yaml b/.github/workflows/platform_natives.yaml
index e2824dd..74477f7 100644
--- a/.github/workflows/platform_natives.yaml
+++ b/.github/workflows/platform_natives.yaml
@@ -12,22 +12,22 @@ jobs:
     strategy:
       matrix:
         include:
-        - {os: ubuntu-20.04, usedocker: "false", arch: "linux/386", implementation: "tdlight"}
-        - {os: ubuntu-20.04, usedocker: "false", arch: "linux/386", implementation: "tdlib"}
-        - {os: ubuntu-20.04, usedocker: "false", arch: "linux/amd64", implementation: "tdlight"}
-        - {os: ubuntu-20.04, usedocker: "false", arch: "linux/amd64", implementation: "tdlib"}
-        - {os: ubuntu-20.04, usedocker: "false", arch: "linux/armhf", implementation: "tdlight"}
-        - {os: ubuntu-20.04, usedocker: "false", arch: "linux/armhf", implementation: "tdlib"}
-        - {os: ubuntu-20.04, usedocker: "false", arch: "linux/arm64", implementation: "tdlight"}
-        - {os: ubuntu-20.04, usedocker: "false", arch: "linux/arm64", implementation: "tdlib"}
-        - {os: ubuntu-20.04, usedocker: "false", arch: "linux/s390x", implementation: "tdlight"}
-        - {os: ubuntu-20.04, usedocker: "false", arch: "linux/s390x", implementation: "tdlib"}
-        - {os: ubuntu-20.04, usedocker: "false", arch: "linux/ppc64le", implementation: "tdlight"}
-        - {os: ubuntu-20.04, usedocker: "false", arch: "linux/ppc64le", implementation: "tdlib"}
-        - {os: windows-2019, usedocker: "false", arch: "amd64", implementation: "tdlight", vcpkgCommitId: "30124253eecff36bc90f73341edbfb4f845e2a1e", triplet: "x64-windows-static"}
-        - {os: windows-2019, usedocker: "false", arch: "amd64", implementation: "tdlib", vcpkgCommitId: "30124253eecff36bc90f73341edbfb4f845e2a1e", triplet: "x64-windows-static"}
-        - {os: macos-10.15, usedocker: "false", arch: "amd64", implementation: "tdlight"}
-        - {os: macos-10.15, usedocker: "false", arch: "amd64", implementation: "tdlib"}
+        - {os: ubuntu-20.04, usedocker: "true", useqemu: "false", arch: "linux/386", implementation: "tdlight"}
+        - {os: ubuntu-20.04, usedocker: "true", useqemu: "false", arch: "linux/386", implementation: "tdlib"}
+        - {os: ubuntu-20.04, usedocker: "true", useqemu: "false", arch: "linux/amd64", implementation: "tdlight"}
+        - {os: ubuntu-20.04, usedocker: "true", useqemu: "false", arch: "linux/amd64", implementation: "tdlib"}
+        - {os: ubuntu-20.04, usedocker: "true", useqemu: "false", arch: "linux/armhf", implementation: "tdlight"}
+        - {os: ubuntu-20.04, usedocker: "true", useqemu: "false", arch: "linux/armhf", implementation: "tdlib"}
+        - {os: ubuntu-20.04, usedocker: "true", useqemu: "false", arch: "linux/arm64", implementation: "tdlight"}
+        - {os: ubuntu-20.04, usedocker: "true", useqemu: "false", arch: "linux/arm64", implementation: "tdlib"}
+        - {os: ubuntu-20.04, usedocker: "true", useqemu: "false", arch: "linux/s390x", implementation: "tdlight"}
+        - {os: ubuntu-20.04, usedocker: "true", useqemu: "false", arch: "linux/s390x", implementation: "tdlib"}
+        - {os: ubuntu-20.04, usedocker: "true", useqemu: "false", arch: "linux/ppc64le", implementation: "tdlight"}
+        - {os: ubuntu-20.04, usedocker: "true", useqemu: "false", arch: "linux/ppc64le", implementation: "tdlib"}
+        - {os: windows-2019, usedocker: "false", useqemu: "false", arch: "amd64", implementation: "tdlight", vcpkgCommitId: "30124253eecff36bc90f73341edbfb4f845e2a1e", triplet: "x64-windows-static"}
+        - {os: windows-2019, usedocker: "false", useqemu: "false", arch: "amd64", implementation: "tdlib", vcpkgCommitId: "30124253eecff36bc90f73341edbfb4f845e2a1e", triplet: "x64-windows-static"}
+        - {os: macos-10.15, usedocker: "false", useqemu: "false", arch: "amd64", implementation: "tdlight"}
+        - {os: macos-10.15, usedocker: "false", useqemu: "false", arch: "amd64", implementation: "tdlib"}
     steps:
       - name: Checkout current repo
         uses: actions/checkout@v2
@@ -69,7 +69,7 @@ jobs:
           cat $GITHUB_ENV > github.env
 
       - name: Set up QEMU
-        if: matrix.usedocker == 'true'
+        if: matrix.usedocker == 'true' && matrix.useqemu == 'true'
         uses: docker/setup-qemu-action@v1
 
       - name: Set up Docker Buildx
diff --git a/Dockerfile b/Dockerfile
index 6b124c2..8ea8c4f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,15 +12,14 @@ RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
 RUN apt update && apt upgrade -y
 
-RUN apt install -y sudo openjdk-11-jdk locales
-#RUN apt install -y make git zlib1g-dev libssl-dev gperf cmake clang-10 libc++-10-dev libc++abi-10-dev ccache maven python3 python3-pip php7.4-cli openjdk-15-jdk
+RUN apt install -y sudo build-essential openjdk-11-jdk locales wget cmake gperf ccache maven
 
 RUN sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
     dpkg-reconfigure --frontend=noninteractive locales && \
     update-locale LANG=en_US.UTF-8
 
-ENV LANG en_US.UTF-8
-ENV JAVA_TOOL_OPTIONS=-Dfile.encoding=UTF8
+ENV LANG "en_US.UTF-8"
+ENV JAVA_TOOL_OPTIONS "-Dfile.encoding=UTF8"
 
 ADD implementations /usr/src/tdlight-java-natives/implementations
 ADD scripts /usr/src/tdlight-java-natives/scripts
@@ -28,7 +27,12 @@ ADD src /usr/src/tdlight-java-natives/src
 
 WORKDIR /usr/src/tdlight-java-natives/
 
-RUN /bin/bash -c "export JAVA_HOME=\"/usr/lib/jvm/$(ls /usr/lib/jvm/ | grep openjdk | head -n 1)/\"; export JAVA_INCLUDE_PATH=\"$JAVA_HOME/include\"; source ./scripts/continuous-integration/github-workflows/setup-variables.sh; source ./scripts/continuous-integration/github-workflows/install-dependencies.sh; source ./scripts/continuous-integration/github-workflows/build-natives.sh"
+RUN /bin/bash -c "export JAVA_HOME=\"/usr/lib/jvm/$(ls /usr/lib/jvm/ | grep openjdk | head -n 1)/\"; \
+    export JAVA_INCLUDE_PATH=\"$JAVA_HOME/include\"; \
+    source ./scripts/continuous-integration/github-workflows/setup-variables.sh; \
+    sudo apt install -y crossbuild-essential-${CPU_ARCH_DPKG}; \
+    source ./scripts/continuous-integration/github-workflows/install-dependencies.sh; \
+    source ./scripts/continuous-integration/github-workflows/build-natives.sh"
 
 #WORKDIR /usr/src/tdlight-java-natives/generated/
 #RUN echo "aaaa" > test.txt