diff --git a/include/pybind11/detail/common.h b/include/pybind11/detail/common.h
index 4a3e1d14a..c51d1d60b 100644
--- a/include/pybind11/detail/common.h
+++ b/include/pybind11/detail/common.h
@@ -11,11 +11,11 @@
 
 #define PYBIND11_VERSION_MAJOR 2
 #define PYBIND11_VERSION_MINOR 13
-#define PYBIND11_VERSION_PATCH 5
+#define PYBIND11_VERSION_PATCH 6
 
 // Similar to Python's convention: https://docs.python.org/3/c-api/apiabiversion.html
 // Additional convention: 0xD = dev
-#define PYBIND11_VERSION_HEX 0x020D0500
+#define PYBIND11_VERSION_HEX 0x020D0600
 
 // Define some generic pybind11 helper macros for warning management.
 //
diff --git a/pybind11/_version.py b/pybind11/_version.py
index 4a29f8e07..c298836bc 100644
--- a/pybind11/_version.py
+++ b/pybind11/_version.py
@@ -8,5 +8,5 @@ def _to_int(s: str) -> int | str:
         return s
 
 
-__version__ = "2.13.5"
+__version__ = "2.13.6"
 version_info = tuple(_to_int(s) for s in __version__.split("."))