diff --git a/CMakeLists.txt b/CMakeLists.txt
index 227c887b..8c1f0e89 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,7 +26,7 @@ if (NOT DEFINED LF_REACTOR_CPP_SUFFIX)
 endif()
 
 find_package (Threads)
-find_package (Boost 1.79 COMPONENTS graph REQUIRED)
+find_package (Boost 1.71 COMPONENTS graph REQUIRED)
 
 set(DEFAULT_BUILD_TYPE "Release")
 if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)