diff --git a/CHANGELOG.md b/CHANGELOG.md
index 28d5a16f3a..44e57b2f22 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,29 @@ See also our [versioning policy](https://amici.readthedocs.io/en/latest/versioni
 
 ## v0.X Series
 
+
+### v0.26.3 (2024-10-03)
+
+**Fixes**
+
+* Skip building SuiteSparse shared libraries and build all subprojects together
+  for slightly faster package installation
+
+  by @dweindl in https://github.com/AMICI-dev/AMICI/pull/2514
+  and https://github.com/AMICI-dev/AMICI/pull/2519
+
+* Got rid of petab `DeprecationWarnings` when using the `amici_import_petab`
+  CLI
+
+  by @dweindl in https://github.com/AMICI-dev/AMICI/pull/2517
+
+* Now also sundials and suitesparse are built in debug mode when installing
+  with `ENABLE_AMICI_DEBUGGING=TRUE`
+
+  by @dweindl in https://github.com/AMICI-dev/AMICI/pull/2515
+
+**Full Changelog**: https://github.com/AMICI-dev/AMICI/compare/v0.26.2...v0.26.3
+
 ### v0.26.2 (2024-09-25)
 
 **Fixes**
diff --git a/version.txt b/version.txt
index 894542aa24..3f45a6442e 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.26.2
+0.26.3