diff --git a/README.md b/README.md
index 812e498a..a2283838 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,14 @@ Known issues
 Changelog
 ---------
 
+### v4.5.2
+
+_1 Sep 2023_
+
+-   Show the program name in the header of the HTML output (#260)
+-   Improve program name capture through resilience to other programs modifying sys.argv (#258)
+-   Add support for Python 3.12 (#246)
+
 ### v4.5.1
 
 _22 July 2023_
diff --git a/docs/conf.py b/docs/conf.py
index 174a7c40..1d087436 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 = "4.5.1"
+release = "4.5.2"
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/pyinstrument/__init__.py b/pyinstrument/__init__.py
index 21d98459..bc02a6ba 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__ = "4.5.1"
+__version__ = "4.5.2"
 
 # enable deprecation warnings
 warnings.filterwarnings("once", ".*", DeprecationWarning, r"pyinstrument\..*")
diff --git a/setup.py b/setup.py
index f3b1050b..a52c0484 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
 setup(
     name="pyinstrument",
     packages=find_namespace_packages(include=["pyinstrument*"]),
-    version="4.5.1",
+    version="4.5.2",
     ext_modules=[
         Extension(
             "pyinstrument.low_level.stat_profile",