diff --git a/external/external_build.cmake b/external/external_build.cmake
index dd1fc17..8299ffb 100644
--- a/external/external_build.cmake
+++ b/external/external_build.cmake
@@ -241,13 +241,13 @@ ENDIF (INTERNAL_EIGEN)
 ################
 
 IF (BUILD_PYTHON_EXTENSION)
-  SET(PYBIND11_URL "https://github.com/pybind/pybind11/archive/v2.10.3.tar.gz" CACHE STRING "URL to download Pybind11 from")
+  SET(PYBIND11_URL "https://github.com/pybind/pybind11/archive/v2.11.1.tar.gz" CACHE STRING "URL to download Pybind11 from")
   mark_as_advanced(PYBIND11_URL)
 
   FetchContent_Declare(
      pybind11
      URL ${PYBIND11_URL}
-     URL_HASH MD5=a093dac9dfd613a5a7c2afa50a301098
+     URL_HASH MD5=49e92f92244021912a56935918c927d0
   )
 
 ENDIF()