diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ca06fb4..0d8851e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -49,7 +49,7 @@ jobs:
         if: startsWith(matrix.os, 'macos')
         run: |
           brew update
-          brew install ninja cmake git
+          brew install ninja git
 
       # Windows dependencies
       - name: Install dependencies (Windows)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d07ed3d..fc56ec8 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()
-# 2025-07-23 master
-set(CastXML_GIT_TAG 26cd570 CACHE STRING "CastXML Git revision.")
+# 2025-08-30 master
+set(CastXML_GIT_TAG v0.6.13 CACHE STRING "CastXML Git revision.")
 ExternalProject_Add(castxml
   GIT_REPOSITORY https://github.com/CastXML/CastXML.git
   GIT_TAG ${CastXML_GIT_TAG}