diff --git a/README.md b/README.md
index 1bbea0b94..30eb5b55d 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[![Version](https://img.shields.io/badge/rebound-v3.25.1-green.svg?style=flat)](https://rebound.readthedocs.org)
+[![Version](https://img.shields.io/badge/rebound-v3.26.0-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 219557983..7ab135ab8 100644
--- a/changelog.md
+++ b/changelog.md
@@ -4,6 +4,9 @@ This changelog only includes the most important changes in recent updates. For a
 
 ## Version 3.x
 
+### Version 3.26.0
+* Added WHFast512 integrator (Javaheri, Rein, Tamayo 2023)
+
 ### Version 3.25.1
 * Bug fixed that prevented the installation via PyPi
 
diff --git a/setup.py b/setup.py
index bbde8dc1c..e22bcf68b 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
     ghash = subprocess.check_output(["git", "rev-parse", "HEAD"]).decode("ascii")
     ghash_arg = "-DGITHASH="+ghash.strip()
 except:
-    ghash_arg = "-DGITHASH=2a8f0c05527e195cc83a1bc8b0a439b0bf2a4192" #GITHASHAUTOUPDATE
+    ghash_arg = "-DGITHASH=1d2bc758b1443080d425fbc7c5e7e326bdcbbfbb" #GITHASHAUTOUPDATE
 
 extra_link_args=[]
 if sys.platform == 'darwin':
@@ -69,7 +69,7 @@
     long_description = f.read()
 
 setup(name='rebound',
-    version='3.25.1',
+    version='3.26.0',
     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 6ec995999..ac1f6384b 100644
--- a/src/rebound.c
+++ b/src/rebound.c
@@ -66,7 +66,7 @@
 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 = "3.25.1";         // **VERSIONLINE** This line gets updated automatically. Do not edit manually.
+const char* reb_version_str = "3.26.0";         // **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 59ac166a9..419ede3b9 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-3.25.1
+3.26.0