diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d7bba6d..e049b05 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -10,7 +10,7 @@ if(USE_SYSTEM_BOOST)
     set(BOOST_LIBS Boost::filesystem Boost::regex)
 else()
     # use custom built libs
-    set(BOOST_LIBS boost_system boost_filesystem boost_regex)
+    set(BOOST_LIBS boost_system boost_filesystem boost_regex boost_lexical_cast)
 endif()