diff --git a/CMakeLists.txt b/CMakeLists.txt
index f33bd8b0..accace08 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,8 +12,8 @@ set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/readme.txt")
 set(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/description.txt")
 
 set(CPACK_PACKAGE_VERSION_MAJOR 2)
-set(CPACK_PACKAGE_VERSION_MINOR 4)
-set(CPACK_PACKAGE_VERSION_PATCH 0)
+set(CPACK_PACKAGE_VERSION_MINOR 3)
+set(CPACK_PACKAGE_VERSION_PATCH 3)
 set(CPACK_PACKAGE_EXECUTABLES "chai;ChaiScript Eval")
 set(CPACK_PACKAGE_VENDOR "ChaiScript.com")
 set(CPACK_PACKAGE_CONTACT "contact@chaiscript.com")
@@ -55,7 +55,7 @@ endif(READLINE_LIBRARY)
 
 include_directories(include)
  
-SET(Boost_ADDITIONAL_VERSIONS "1.42" "1.42.0" "1.41")
+SET(Boost_ADDITIONAL_VERSIONS "1.43" "1.43.0" "1.42" "1.42.0" "1.41")
 SET(Boost_USE_MULTITHREADED ON)
 
 find_package(Boost 1.36.0 COMPONENTS thread)