diff --git a/CMakeLists.txt b/CMakeLists.txt
index abfafe3..ca809cb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,7 +17,7 @@ add_subdirectory(${PROJECT_SOURCE_DIR}/contrib/libwebsockets/)
 include_directories(SYSTEM "${PROJECT_SOURCE_DIR}/contrib/libwebsockets/")
 
 # Boost libs
-find_package(Boost 1.48 REQUIRED COMPONENTS thread system)
+find_package(Boost 1.47 REQUIRED COMPONENTS thread system)
 include_directories(${Boost_INCLUDE_DIRS})
 set(boost ${Boost_LIBRARIES})