--- a/src/slic3r/CMakeLists.txt
+++ b/src/slic3r/CMakeLists.txt
@@ -376,6 +376,7 @@ set(SLIC3R_GUI_SOURCES
 )
 
 find_package(NanoSVG REQUIRED)
+find_package(OpenSSL REQUIRED)
 
 if (APPLE)
     list(APPEND SLIC3R_GUI_SOURCES
@@ -404,7 +405,7 @@ endforeach()
 
 encoding_check(libslic3r_gui)
 
-target_link_libraries(libslic3r_gui libslic3r avrdude libcereal imgui libvgcode GLEW::GLEW OpenGL::GL hidapi libcurl ${wxWidgets_LIBRARIES} NanoSVG::nanosvg NanoSVG::nanosvgrast)
+target_link_libraries(libslic3r_gui libslic3r avrdude libcereal imgui libvgcode GLEW::GLEW OpenGL::GL hidapi libcurl ${wxWidgets_LIBRARIES} NanoSVG::nanosvg NanoSVG::nanosvgrast OpenSSL::SSL OpenSSL::Crypto)
 
 if (MSVC)
     target_link_libraries(libslic3r_gui Setupapi.lib)