diff --git a/CMakeLists.txt b/CMakeLists.txt
index 26d185f..735cc86 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -122,8 +122,8 @@ endif()
 if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_SYSTEM_NAME MATCHES "Linux")
   set(linux_args "-DCMAKE_CXX_FLAGS:STRING=-static-libstdc++")
 endif()
-# 2024-04-12 master
-set(CastXML_GIT_TAG v0.6.5 CACHE STRING "CastXML Git revision.")
+# 2024-07-02 master
+set(CastXML_GIT_TAG v0.6.7 CACHE STRING "CastXML Git revision.")
 ExternalProject_Add(castxml
   GIT_REPOSITORY https://github.com/CastXML/CastXML.git
   GIT_TAG ${CastXML_GIT_TAG}