diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6a89837..40904a5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,6 +3,8 @@ include(cmake/prefix.cmake)
 project(pycxx CXX)
 include(cmake/postfix.cmake)
 
+# set(FETCHCONTENT_UPDATES_DISCONNECTED ON)
+
 find_package(Python COMPONENTS Interpreter Development REQUIRED)
 find_package(Boost COMPONENTS python)
 
diff --git a/cmake/pybind11.cmake b/cmake/pybind11.cmake
index 5e5e685..3a3288c 100644
--- a/cmake/pybind11.cmake
+++ b/cmake/pybind11.cmake
@@ -2,6 +2,6 @@ include(FetchContent)
 FetchContent_Declare(
   pybind11
   GIT_REPOSITORY https://github.com/pybind/pybind11.git
-  GIT_TAG 5b0a6fc2017fcc176545afe3e09c9f9885283242 #2.10.4
+  GIT_TAG 8a099e44b3d5f85b20f05828d919d2332a8de841 # 2.11.1
 )
 list(APPEND FetchContents pybind11)