diff --git a/CMakeLists.txt b/CMakeLists.txt
index dc849a7875..1c482792e7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,7 +10,7 @@ if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR AND NOT CMAKE_BUILD_TYPE A
   set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
 endif()
 
-project(Boost VERSION 1.87.0 LANGUAGES CXX)
+project(Boost VERSION 1.88.0 LANGUAGES CXX)
 
 set(BOOST_SUPERPROJECT_VERSION ${PROJECT_VERSION})
 set(BOOST_SUPERPROJECT_SOURCE_DIR ${PROJECT_SOURCE_DIR})
diff --git a/Jamroot b/Jamroot
index 6c69398e7b..22250e0d17 100644
--- a/Jamroot
+++ b/Jamroot
@@ -148,7 +148,7 @@ import project ;
 import tools/boost\_install/boost-install ;
 
 path-constant BOOST_ROOT : . ;
-constant BOOST_VERSION : 1.87.0 ;
+constant BOOST_VERSION : 1.88.0 ;
 constant BOOST_JAMROOT_MODULE : $(__name__) ;
 
 # Allow subprojects to simply `import config : requires ;` to get access to the requires rule