diff --git a/README.md b/README.md
index ac9ed0917..6a8b33229 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[![Version](https://img.shields.io/badge/rebound-v3.28.2-green.svg?style=flat)](https://rebound.readthedocs.org)
+[![Version](https://img.shields.io/badge/rebound-v3.28.3-green.svg?style=flat)](https://rebound.readthedocs.org)
 [![PyPI](https://badge.fury.io/py/rebound.svg)](https://badge.fury.io/py/rebound)
 [![GPL](https://img.shields.io/badge/license-GPL-green.svg?style=flat)](https://github.com/hannorein/rebound/blob/main/LICENSE)
 [![Paper](https://img.shields.io/badge/arXiv-1110.4876-green.svg?style=flat)](https://arxiv.org/abs/1110.4876)
diff --git a/changelog.md b/changelog.md
index 13ff5f59d..da2bbfe91 100644
--- a/changelog.md
+++ b/changelog.md
@@ -4,6 +4,13 @@ This changelog only includes the most important changes in recent updates. For a
 
 ## Version 3.x
 
+### Version 3.28.3
+* Removed distutils requirement in preparation  for python 3.12.
+* Removed rebound.InterruptiblePool as it no longer works with recent python version. Updated examples.
+* Added Holmberg example.
+* Added adaptive_mode==3 for IAS15 (Aarseth 1985).
+
+
 ### Version 3.28.2
 * Implemented own fmemopen implementation on MacOS. This is mainly to appease conda-forge builds.
 * Improved sqrt7 algorithm allows larger convergence interval.
diff --git a/setup.py b/setup.py
index b32f23f8a..6c819e397 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
     ghash = subprocess.check_output(["git", "rev-parse", "HEAD"]).decode("ascii")
     ghash_arg = "-DGITHASH="+ghash.strip()
 except:
-    ghash_arg = "-DGITHASH=c51868a4cecc967afd9bf867b152eb497d67e397" #GITHASHAUTOUPDATE
+    ghash_arg = "-DGITHASH=e9d5c3e37cbf3f235fc6f6bd6bd763076d4773b0" #GITHASHAUTOUPDATE
 
 extra_link_args=[]
 if sys.platform == 'darwin':
@@ -82,7 +82,7 @@
     long_description = f.read()
 
 setup(name='rebound',
-    version='3.28.2',
+    version='3.28.3',
     description='An open-source multi-purpose N-body code',
     long_description=long_description,
     long_description_content_type="text/markdown",
diff --git a/src/rebound.c b/src/rebound.c
index ed51e7ef7..5ff88b39a 100644
--- a/src/rebound.c
+++ b/src/rebound.c
@@ -63,7 +63,7 @@ void usleep(__int64 usec);
 const int reb_max_messages_length = 1024;   // needs to be constant expression for array size
 const int reb_max_messages_N = 10;
 const char* reb_build_str = __DATE__ " " __TIME__;  // Date and time build string. 
-const char* reb_version_str = "3.28.2";         // **VERSIONLINE** This line gets updated automatically. Do not edit manually.
+const char* reb_version_str = "3.28.3";         // **VERSIONLINE** This line gets updated automatically. Do not edit manually.
 const char* reb_githash_str = STRINGIFY(GITHASH);             // This line gets updated automatically. Do not edit manually.
 
 static int reb_error_message_waiting(struct reb_simulation* const r);
diff --git a/version.txt b/version.txt
index 2a5310b5a..185fbd978 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-3.28.2
+3.28.3