diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index ab526fc749ff47692e7062c4943b4fca872da1ec..99f05bcbc6a0c3ee2a179c826b2df7f4cbfa447d 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -5,7 +5,7 @@ include(FetchContent)
 FetchContent_Declare(
     pybind11
     GIT_REPOSITORY https://github.com/pybind/pybind11.git
-    GIT_TAG v2.6.1
+    GIT_TAG v2.9.1
 )
 
 FetchContent_GetProperties(pybind11)