diff --git a/CMakeLists.txt b/CMakeLists.txt
index 92e4698..002981e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -75,6 +75,8 @@ else ()
 	   set (CMAKE_LIBRARY_PATH ${CMAKE_LIBRARY_PATH} "${CURL_ROOT}/lib")
     endif ()
     find_package(CURL REQUIRED)
+    find_package(OpenSSL REQUIRED)
+    find_package(ZLIB REQUIRED)
 endif ()
 
 set(LIBB64_DIR "${PROJECT_SOURCE_DIR}/ext/b64")
@@ -89,7 +91,6 @@ endif()
 
 add_subdirectory(ext/json11)
 add_subdirectory(src)
-add_subdirectory(tests)
 
 install(
     DIRECTORY "${HEADERS_DIR}"
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8e24aab..beaac68 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -85,7 +85,10 @@ if (${USE_CPPNETLIB})
     target_link_libraries(${PROJECT_NAME} PRIVATE ${CPPNETLIB_LIBRARIES})
 else ()
     target_include_directories(${PROJECT_NAME} PRIVATE ${CURL_INCLUDE_DIR})
-    target_link_libraries(${PROJECT_NAME} PRIVATE ${CURL_LIBRARIES})
+    target_link_libraries(${PROJECT_NAME} PRIVATE ${CURL_LIBRARIES} ${OPENSSL_LIBRARIES} ZLIB::ZLIB)
+    if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+        target_link_libraries(${PROJECT_NAME} PRIVATE "-framework CoreFoundation" "-framework Security")
+    endif ()
 endif ()
 
 source_group(${PROJECT_NAME} FILES ${SOURCES})