diff --git a/docs/changelog.rst b/docs/changelog.rst
index 46fc957f..92b2fee2 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -15,8 +15,8 @@ case, both modules must use the same nanobind ABI version, or they will be
 isolated from each other. Releases that don't explicitly mention an ABI version
 below inherit that of the preceding release.
 
-Version 1.3.1 (TBA)
--------------------
+Version 1.3.1 (May 31, 2023)
+----------------------------
 
 * CMake build system improvements for stable ABI wheel generation. 
   (PR `#222 <https://github.com/wjakob/nanobind/pull/222>`__).
diff --git a/include/nanobind/nanobind.h b/include/nanobind/nanobind.h
index 89b419e9..37b79639 100644
--- a/include/nanobind/nanobind.h
+++ b/include/nanobind/nanobind.h
@@ -23,7 +23,7 @@
 
 #define NB_VERSION_MAJOR 1
 #define NB_VERSION_MINOR 3
-#define NB_VERSION_PATCH 0
+#define NB_VERSION_PATCH 1
 
 // Core C++ headers that nanobind depends on
 #include <cstdint>
diff --git a/src/__init__.py b/src/__init__.py
index 2dd8aaae..03bcf20a 100644
--- a/src/__init__.py
+++ b/src/__init__.py
@@ -12,7 +12,7 @@ def cmake_dir() -> str:
     "Return the path to the nanobind CMake module directory."
     return os.path.join(os.path.abspath(os.path.dirname(__file__)), "cmake")
 
-__version__ = "1.3.0"
+__version__ = "1.3.1"
 
 __all__ = (
     "__version__",