diff --git a/.github/workflows/platform_natives.yaml b/.github/workflows/platform_natives.yaml
index 472f8b0..ee08134 100644
--- a/.github/workflows/platform_natives.yaml
+++ b/.github/workflows/platform_natives.yaml
@@ -17,6 +17,8 @@ jobs:
           #- { os: ubuntu-22.04, type: "linux_386_ssl3" }
           - { os: ubuntu-20.04, type: "linux_amd64_ssl1" }
           - { os: ubuntu-22.04, type: "linux_amd64_ssl3" }
+          - { os: ubuntu-20.04, type: "linux_amd64_gcc_ssl1" }
+          - { os: ubuntu-22.04, type: "linux_amd64_gcc_ssl3" }
           - { os: ubuntu-20.04, type: "linux_arm64_ssl1" }
           - { os: ubuntu-22.04, type: "linux_arm64_ssl3" }
           - { os: ubuntu-22.04, type: "linux_ppc64le_ssl3" }
diff --git a/.github/workflows/scripts/build_linux_amd64_gcc_ssl1.sh b/.github/workflows/scripts/build_linux_amd64_gcc_ssl1.sh
new file mode 100755
index 0000000..2083a0f
--- /dev/null
+++ b/.github/workflows/scripts/build_linux_amd64_gcc_ssl1.sh
@@ -0,0 +1,94 @@
+#!/bin/bash -ex
+# Ubuntu 20.04
+REVISION="${REVISION:-1.0.0.0-SNAPSHOT}"
+
+# Create missing dirs
+rm -rf implementations/tdlight/td_tools_build implementations/tdlight/build api/target-legacy api/target api/.ci-friendly-pom.xml implementations/tdlight/td/generate/auto natives/src/main/java/it/tdlight/jni natives/build natives/tdjni_bin natives/tdjni_docs
+mkdir -p implementations/tdlight/build  implementations/tdlight/build/td_bin/bin implementations/tdlight/td_tools_build/java/it/tdlight/jni api/src/main/java-legacy/it/tdlight/jni api/src/main/java-sealed/it/tdlight/jni natives/src/main/java/it/tdlight/jni natives/build natives/tdjni_bin natives/tdjni_docs
+
+# Use c++11
+export CMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} -std=c++14"
+
+# ccache
+CCACHE=$(which sccache || true)
+if [[ -x "$CCACHE" ]]; then
+  echo "found sccache: $CCACHE"
+else
+  echo "sccache not found"
+  CCACHE=$(which ccache)
+fi
+
+# Build tdlib tools
+cd implementations/tdlight/td_tools_build
+cmake \
+  -DCMAKE_C_FLAGS="${CMAKE_C_FLAGS}" \
+  -DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS}" \
+  -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS}" \
+  \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DCMAKE_C_COMPILER_LAUNCHER="$CCACHE" \
+  -DCMAKE_CXX_COMPILER_LAUNCHER="$CCACHE" \
+  -DCMAKE_C_FLAGS_RELEASE="" \
+  -DCMAKE_CXX_FLAGS_RELEASE="-O0 -DNDEBUG" \
+  -DTD_ENABLE_LTO=OFF \
+  -DTD_ENABLE_JNI=ON \
+  ..
+cmake --build . --target prepare_cross_compiling --parallel "$(nproc)"
+cmake --build . --target td_generate_java_api --parallel "$(nproc)"
+cd ../../../
+
+# Generate TdApi.java
+./implementations/tdlight/td_tools_build/td/generate/td_generate_java_api TdApi "./implementations/tdlight/td/generate/auto/tlo/td_api.tlo" "./natives/src/main/java" "it/tdlight/jni"
+
+
+
+# Optimization flags
+export CMAKE_C_FLAGS="${CMAKE_C_FLAGS}"
+export CMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} -fno-omit-frame-pointer -ffunction-sections -fdata-sections -fno-exceptions -fno-rtti"
+export CMAKE_SHARED_LINKER_FLAGS="${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections -Wl,--exclude-libs,ALL"
+export CMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} -flto=thin -O3"
+
+# Build tdlib
+cd implementations/tdlight/build
+INSTALL_PREFIX="$(readlink -e ./td_bin/)"
+INSTALL_BINDIR="$(readlink -e ./td_bin/bin)"
+cmake \
+  -DCMAKE_C_FLAGS="${CMAKE_C_FLAGS}" \
+  -DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS}" \
+  -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS}" \
+  \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DCMAKE_C_COMPILER_LAUNCHER="$CCACHE" \
+  -DCMAKE_CXX_COMPILER_LAUNCHER="$CCACHE" \
+  -DTD_SKIP_BENCHMARK=ON -DTD_SKIP_TEST=ON -DTD_SKIP_TG_CLI=ON \
+  -DTD_ENABLE_LTO=ON \
+  -DTD_ENABLE_JNI=ON \
+  -DCMAKE_INSTALL_PREFIX:PATH="$INSTALL_PREFIX" \
+  -DCMAKE_INSTALL_BINDIR:PATH="$INSTALL_BINDIR" \
+  ..
+cmake --build . --target install --config Release --parallel "$(nproc)"
+cd ../../../
+
+cd natives/build
+cmake \
+  -DCMAKE_C_FLAGS="${CMAKE_C_FLAGS}" \
+  -DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS}" \
+  -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS}" \
+  \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DCMAKE_C_COMPILER_LAUNCHER="$CCACHE" \
+  -DCMAKE_CXX_COMPILER_LAUNCHER="$CCACHE" \
+  -DTD_GENERATED_BINARIES_DIR="$(readlink -e ../../implementations/tdlight/td_tools_build/td/generate)" \
+  -DTD_SRC_DIR="$(readlink -e ../../implementations/tdlight)" \
+  -DTD_ENABLE_LTO=ON \
+  -DTDNATIVES_BIN_DIR="$(readlink -e ../tdjni_bin/)" \
+  -DTDNATIVES_DOCS_BIN_DIR="$(readlink -e ../tdjni_docs/)" \
+  -DTd_DIR:PATH="$(readlink -e ../../implementations/tdlight/build/td_bin/lib/cmake/Td)" \
+  -DJAVA_SRC_DIR="$(readlink -e ../src/main/java)" \
+  -DTDNATIVES_CPP_SRC_DIR="$(readlink -e ../src/main/cpp)" \
+  ../src/main/cpp
+cmake --build . --target install --config Release --parallel "$(nproc)"
+cd ..
+mkdir -p src/main/resources/META-INF/tdlightjni/
+mv tdjni_bin/libtdjni.so src/main/resources/META-INF/tdlightjni/libtdjni.linux_amd64_gcc_ssl1.so
+mvn -B -f pom.xml -Drevision="$REVISION" -Dnative.type.classifier=linux_amd64_gcc_ssl1 package
diff --git a/.github/workflows/scripts/build_linux_amd64_gcc_ssl3.sh b/.github/workflows/scripts/build_linux_amd64_gcc_ssl3.sh
new file mode 100755
index 0000000..1113051
--- /dev/null
+++ b/.github/workflows/scripts/build_linux_amd64_gcc_ssl3.sh
@@ -0,0 +1,94 @@
+#!/bin/bash -ex
+# Ubuntu 22.04
+REVISION="${REVISION:-1.0.0.0-SNAPSHOT}"
+
+# Create missing dirs
+rm -rf implementations/tdlight/td_tools_build implementations/tdlight/build api/target-legacy api/target api/.ci-friendly-pom.xml implementations/tdlight/td/generate/auto natives/src/main/java/it/tdlight/jni natives/build natives/tdjni_bin natives/tdjni_docs
+mkdir -p implementations/tdlight/build  implementations/tdlight/build/td_bin/bin implementations/tdlight/td_tools_build/java/it/tdlight/jni api/src/main/java-legacy/it/tdlight/jni api/src/main/java-sealed/it/tdlight/jni natives/src/main/java/it/tdlight/jni natives/build natives/tdjni_bin natives/tdjni_docs
+
+# Use c++11
+export CMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} -std=c++14"
+
+# ccache
+CCACHE=$(which sccache || true)
+if [[ -x "$CCACHE" ]]; then
+  echo "found sccache: $CCACHE"
+else
+  echo "sccache not found"
+  CCACHE=$(which ccache)
+fi
+
+# Build tdlib tools
+cd implementations/tdlight/td_tools_build
+cmake \
+  -DCMAKE_C_FLAGS="${CMAKE_C_FLAGS}" \
+  -DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS}" \
+  -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS}" \
+  \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DCMAKE_C_COMPILER_LAUNCHER="$CCACHE" \
+  -DCMAKE_CXX_COMPILER_LAUNCHER="$CCACHE" \
+  -DCMAKE_C_FLAGS_RELEASE="" \
+  -DCMAKE_CXX_FLAGS_RELEASE="-O0 -DNDEBUG" \
+  -DTD_ENABLE_LTO=OFF \
+  -DTD_ENABLE_JNI=ON \
+  ..
+cmake --build . --target prepare_cross_compiling --parallel "$(nproc)"
+cmake --build . --target td_generate_java_api --parallel "$(nproc)"
+cd ../../../
+
+# Generate TdApi.java
+./implementations/tdlight/td_tools_build/td/generate/td_generate_java_api TdApi "./implementations/tdlight/td/generate/auto/tlo/td_api.tlo" "./natives/src/main/java" "it/tdlight/jni"
+
+
+
+# Optimization flags
+export CMAKE_C_FLAGS="${CMAKE_C_FLAGS}"
+export CMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} -fno-omit-frame-pointer -ffunction-sections -fdata-sections -fno-exceptions -fno-rtti"
+export CMAKE_SHARED_LINKER_FLAGS="${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gc-sections -Wl,--exclude-libs,ALL"
+export CMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS} -flto=thin -O3"
+
+# Build tdlib
+cd implementations/tdlight/build
+INSTALL_PREFIX="$(readlink -e ./td_bin/)"
+INSTALL_BINDIR="$(readlink -e ./td_bin/bin)"
+cmake \
+  -DCMAKE_C_FLAGS="${CMAKE_C_FLAGS}" \
+  -DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS}" \
+  -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS}" \
+  \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DCMAKE_C_COMPILER_LAUNCHER="$CCACHE" \
+  -DCMAKE_CXX_COMPILER_LAUNCHER="$CCACHE" \
+  -DTD_SKIP_BENCHMARK=ON -DTD_SKIP_TEST=ON -DTD_SKIP_TG_CLI=ON \
+  -DTD_ENABLE_LTO=ON \
+  -DTD_ENABLE_JNI=ON \
+  -DCMAKE_INSTALL_PREFIX:PATH="$INSTALL_PREFIX" \
+  -DCMAKE_INSTALL_BINDIR:PATH="$INSTALL_BINDIR" \
+  ..
+cmake --build . --target install --config Release --parallel "$(nproc)"
+cd ../../../
+
+cd natives/build
+cmake \
+  -DCMAKE_C_FLAGS="${CMAKE_C_FLAGS}" \
+  -DCMAKE_CXX_FLAGS="${CMAKE_CXX_FLAGS}" \
+  -DCMAKE_EXE_LINKER_FLAGS="${CMAKE_EXE_LINKER_FLAGS}" \
+  \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DCMAKE_C_COMPILER_LAUNCHER="$CCACHE" \
+  -DCMAKE_CXX_COMPILER_LAUNCHER="$CCACHE" \
+  -DTD_GENERATED_BINARIES_DIR="$(readlink -e ../../implementations/tdlight/td_tools_build/td/generate)" \
+  -DTD_SRC_DIR="$(readlink -e ../../implementations/tdlight)" \
+  -DTD_ENABLE_LTO=ON \
+  -DTDNATIVES_BIN_DIR="$(readlink -e ../tdjni_bin/)" \
+  -DTDNATIVES_DOCS_BIN_DIR="$(readlink -e ../tdjni_docs/)" \
+  -DTd_DIR:PATH="$(readlink -e ../../implementations/tdlight/build/td_bin/lib/cmake/Td)" \
+  -DJAVA_SRC_DIR="$(readlink -e ../src/main/java)" \
+  -DTDNATIVES_CPP_SRC_DIR="$(readlink -e ../src/main/cpp)" \
+  ../src/main/cpp
+cmake --build . --target install --config Release --parallel "$(nproc)"
+cd ..
+mkdir -p src/main/resources/META-INF/tdlightjni/
+mv tdjni_bin/libtdjni.so src/main/resources/META-INF/tdlightjni/libtdjni.linux_amd64_gcc_ssl3.so
+mvn -B -f pom.xml -Drevision="$REVISION" -Dnative.type.classifier=linux_amd64_gcc_ssl3 package