diff --git a/bumpver.toml b/bumpver.toml
index c182f18..0d0e86f 100644
--- a/bumpver.toml
+++ b/bumpver.toml
@@ -1,5 +1,5 @@
 [bumpver]
-current_version = "0.9.1"
+current_version = "0.9.2"
 version_pattern = "MAJOR.MINOR.PATCH[PYTAGNUM]"
 commit = false
 tag = false
diff --git a/changelog.md b/changelog.md
index 319673c..ae3e585 100644
--- a/changelog.md
+++ b/changelog.md
@@ -8,6 +8,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
+## [0.9.2] - 2023-01-09
+### Modified
+  - improved the streaming delaunay triangulation section (Chapter 12) with improved figures and better explanation of the finaliser and spatial coherence
+
+
 ## [0.9.1] - 2022-12-20
 ### Modified
   - fixed and improved a few sentences
diff --git a/docs/_config.yml b/docs/_config.yml
index 067b815..78711f6 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -4,5 +4,5 @@ description: An open book
 show_downloads: true
 theme: jekyll-theme-minimal
 
-latest_version: 0.9.1
+latest_version: 0.9.2
 course_url: https://3d.bk.tudelft.nl/courses/geo1015/
diff --git a/terrainbook.tex b/terrainbook.tex
index f055902..5ced2aa 100755
--- a/terrainbook.tex
+++ b/terrainbook.tex
@@ -120,7 +120,7 @@
 
 \title{Computational modelling of terrains}
 \author{Hugo Ledoux \hspace{10mm} Ken Arroyo Ohori\\ Ravi Peters \hspace{17mm} Maarten Pronk}
-\date{\texttt{v0.9.1}}
+\date{\texttt{v0.9.2}}
 
 \publishers{\vspace{15mm}\includegraphics[width=0.8\linewidth]{front-back/nl_joydivision.png}}