diff --git a/thirdparty/pybind11/update.sh b/thirdparty/pybind11/update.sh
index 16077dd96e15bdb5a9f51cb71e19fcf3698c5602..23417872f58c3f5e187ca2921ae02d4bffed1abf 100755
--- a/thirdparty/pybind11/update.sh
+++ b/thirdparty/pybind11/update.sh
@@ -8,7 +8,7 @@ readonly name="pybind11"
 readonly ownership="PyBind11 Upstream <robot@adios2>"
 readonly subtree="thirdparty/pybind11/pybind11"
 readonly repo="https://github.com/pybind/pybind11.git"
-readonly tag="v2.1.1"
+readonly tag="v2.2.1"
 readonly shortlog="true"
 readonly paths="
 "