diff --git a/README.md b/README.md
index a2283838..9d1adf71 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,12 @@ Known issues
 Changelog
 ---------
 
+### v4.5.3
+
+_7 Sep 2023_
+
+-   Fix a problem in the packaging process that prevented upload to PyPI
+
 ### v4.5.2
 
 _1 Sep 2023_
diff --git a/docs/conf.py b/docs/conf.py
index 1d087436..423b114a 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -22,7 +22,7 @@
 author = "Joe Rickerby"
 
 # The full version, including alpha/beta/rc tags
-release = "4.5.2"
+release = "4.5.3"
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/pyinstrument/__init__.py b/pyinstrument/__init__.py
index bc02a6ba..395a2af6 100644
--- a/pyinstrument/__init__.py
+++ b/pyinstrument/__init__.py
@@ -3,7 +3,7 @@
 from pyinstrument.profiler import Profiler
 
 __all__ = ["__version__", "Profiler", "load_ipython_extension"]
-__version__ = "4.5.2"
+__version__ = "4.5.3"
 
 # enable deprecation warnings
 warnings.filterwarnings("once", ".*", DeprecationWarning, r"pyinstrument\..*")
diff --git a/setup.py b/setup.py
index 07914e5f..52eb29cb 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
 setup(
     name="pyinstrument",
     packages=find_namespace_packages(include=["pyinstrument*"]),
-    version="4.5.2",
+    version="4.5.3",
     ext_modules=[
         Extension(
             "pyinstrument.low_level.stat_profile",