diff --git a/CMakeLists.txt b/CMakeLists.txt
index d8d91d534..7b00a9734 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,8 @@ cmake_minimum_required(VERSION 3.10)
 project("Pangolin")
 set(PANGOLIN_VERSION_MAJOR 0)
 set(PANGOLIN_VERSION_MINOR 9)
-set(PANGOLIN_VERSION ${PANGOLIN_VERSION_MAJOR}.${PANGOLIN_VERSION_MINOR})
+set(PANGOLIN_VERSION_PATCH 1)
+set(PANGOLIN_VERSION ${PANGOLIN_VERSION_MAJOR}.${PANGOLIN_VERSION_MINOR}.${PANGOLIN_VERSION_PATCH})
 
 if(NOT CMAKE_CXX_STANDARD)
     set(CMAKE_CXX_STANDARD 17)
diff --git a/package.xml b/package.xml
index 2eb30399a..c11680c4d 100644
--- a/package.xml
+++ b/package.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <package format="3">
   <name>pangolin</name>
-  <version>0.9.0</version>
+  <version>0.9.1</version>
   <description>Pangolin is a set of lightweight and portable utility libraries for prototyping 3D, numeric or video based programs and algorithms.</description>
   <maintainer email="stevenlovegrove@gmail.com">Steven Lovegrove</maintainer>
   <maintainer email="Rauch.Christian@gmx.de">Christian Rauch</maintainer>