diff --git a/Changelog.txt b/Changelog.txt
index f813c636..0e84d86f 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -1,3 +1,6 @@
+2.13.0
+	- added implementation of surface tension method: Jeske et al. "Implicit Surface Tension for SPH Fluid Simulation", ACM Transactions on Graphics, 2023 (thanks to Stefan Rhys Jeske)
+	
 2.12.5
 	- bugfix: in emitter scenes now all particles are reset correctly
 	- updated PositionBasedDynamics