diff --git a/Jenkinsfile b/Jenkinsfile
index b218200..ec099d2 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -9,7 +9,7 @@ def buildTarget(String path, String rpmArch = 'noarch', String debArch = 'noarch
     final boolean is_riscv = path.contains('riscv')
     // Note: CMake 3.20 or higher is needed
     cmakeBuild buildDir: build_directory, buildType: 'release', cleanBuild: true, installation: 'Latest',
-        cmakeArgs: "--no-warn-unused-cli -DCMAKE_SYSTEM_NAME=\"${system_name}\" -DCMAKE_C_COMPILER=/usr/bin/${path}-gcc -DCMAKE_CXX_COMPILER=/usr/bin/${path}-g++ -DCMAKE_LINKER=${fileExists("${linker}.gold") ? "${linker}.gold" : linker} -DCMAKE_AR=/usr/bin/${path}-ar -DCMAKE_RC_COMPILER=/usr/bin/${path}-windres -DCPACK_RPM_PACKAGE_ARCHITECTURE=${rpmArch} -DCPACK_DEBIAN_PACKAGE_ARCHITECTURE=${debArch} -DCXX_TARGET=${packageArch} -DCMAKE_EXE_LINKER_FLAGS=-static -DNO_SELF_PACKER=ON -DIGNORE_MINIMAL_COMPILER_VERSION=ON ${no_compilation_cache_flags()}",
+        cmakeArgs: "--no-warn-unused-cli -DCMAKE_SYSTEM_NAME=\"${system_name}\" -DCMAKE_C_COMPILER=/usr/bin/${path}-gcc -DCMAKE_CXX_COMPILER=/usr/bin/${path}-g++ -DCMAKE_LINKER=${fileExists("${linker}.gold") ? "${linker}.gold" : linker} -DCMAKE_AR=/usr/bin/${path}-ar -DCMAKE_RC_COMPILER=/usr/bin/${path}-windres -DCPACK_RPM_PACKAGE_ARCHITECTURE=${rpmArch} -DCPACK_DEBIAN_PACKAGE_ARCHITECTURE=${debArch} -DCXX_TARGET=${packageArch} -DCMAKE_EXE_LINKER_FLAGS=-static -DNO_SELF_PACKER=${!is_riscv ? "OFF" : "ON"} -DIGNORE_MINIMAL_COMPILER_VERSION=ON ${no_compilation_cache_flags()}",
         generator: cmake_generator()
     cmake arguments: "--build ./$build_directory --target ybcon", installation: 'Latest'
     cpack installation: 'Latest', workingDir: build_directory
@@ -28,6 +28,7 @@ final String windowsSuffix = '-windows'
     - MinGW32 G++/Clang (https://github.com/mstorsjo/llvm-mingw) for x86_64, i686, armhf and aarch64, (unzip the content of the folder in the tar.xz file) in /usr/, along with soft links from /usr/bin/ to the binaries
    Optional Tools:
     - Ninja
+    - UPX (d61edc9 or higher)
 */
 
 pipeline {
@@ -50,7 +51,7 @@ pipeline {
                 buildTarget('x86_64-linux-musl', 'x86_64', 'amd64')
                 buildTarget('i686-linux-musl', 'i386', 'i386')
                 cmakeBuild buildDir: "cmake-build-release-emscripten", buildType: 'release', cleanBuild: true, installation: 'Latest',
-                    cmakeArgs: "-DCMAKE_TOOLCHAIN_FILE=\"/usr/share/emsdk/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake\" ${no_compilation_cache_flags()}",
+                    cmakeArgs: "-DCMAKE_TOOLCHAIN_FILE=\"/usr/share/emsdk/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake\" ${no_compilation_cache_flags()} -DNO_SELF_PACKER=ON",
                     generator: cmake_generator()
                 cmake arguments: "--build ./cmake-build-release-emscripten", installation: 'Latest'
             }