diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61f1d9b0f8..2351e24a90 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -33,6 +33,20 @@ RELEASING:
 7. Adding the corresponding tag is done when releasing via GitHub.
 -->
 ## [unreleased]
+
+### Added
+
+### Changed
+
+### Deprecated
+
+### Removed
+
+### Fixed
+
+### Security
+
+## [9.0.0] - 2024-12-02
 ### Added
 - take into account tunnel categories B, C, D, and E when restricting roads for the transport of dangerous goods via the `hazmat` flag in vehicle parameters ([#1879](https://github.com/GIScience/openrouteservice/pull/1879))
 - Ukrainian translation ([#1883](https://github.com/GIScience/openrouteservice/pull/1883))
@@ -60,9 +74,7 @@ RELEASING:
 - failing queries that combined departure/arrival parameters with avoid polygons ([#1871](https://github.com/GIScience/openrouteservice/pull/1871))
 - matrix limit ignored for explicit 'all' value in sources or
   destinations ([#1875](https://github.com/GIScience/openrouteservice/pull/1875))
-
 ### Security
-
 - updated graphhopper dependency with fix for
   CVE-2024-7254 ([#1918](https://github.com/GIScience/openrouteservice/pull/1918))
 
@@ -830,7 +842,9 @@ are attached to roads. ([Issue #162](https://github.com/GIScience/openrouteservi
 - Fix bug in RPHAST when location lies on a oneway road.
 - Consider turn restrictions if optimized=false is passed.
 
-[unreleased]: https://github.com/GIScience/openrouteservice/compare/v8.2.0...HEAD
+[unreleased]: https://github.com/GIScience/openrouteservice/compare/v9.0.0...HEAD
+
+[9.0.0]: https://github.com/GIScience/openrouteservice/compare/v8.2.0...v9.0.0
 [8.2.0]: https://github.com/GIScience/openrouteservice/compare/v8.1.2...v8.2.0
 [8.1.3]: https://github.com/GIScience/openrouteservice/compare/v8.1.2...v8.1.3
 [8.1.2]: https://github.com/GIScience/openrouteservice/compare/v8.1.1...v8.1.2
diff --git a/ors-api/pom.xml b/ors-api/pom.xml
index 77f4844538..d714f030a4 100644
--- a/ors-api/pom.xml
+++ b/ors-api/pom.xml
@@ -30,7 +30,7 @@
         <relativePath>../pom.xml</relativePath>
         <artifactId>openrouteservice</artifactId>
         <groupId>org.heigit.ors</groupId>
-        <version>9.0.0-SNAPSHOT</version>
+        <version>9.0.0</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/ors-engine/pom.xml b/ors-engine/pom.xml
index f5220100fb..db45e95f8c 100644
--- a/ors-engine/pom.xml
+++ b/ors-engine/pom.xml
@@ -30,7 +30,7 @@
         <relativePath>../pom.xml</relativePath>
         <artifactId>openrouteservice</artifactId>
         <groupId>org.heigit.ors</groupId>
-        <version>9.0.0-SNAPSHOT</version>
+        <version>9.0.0</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/ors-report-aggregation/pom.xml b/ors-report-aggregation/pom.xml
index be5eaece28..1f649c6701 100644
--- a/ors-report-aggregation/pom.xml
+++ b/ors-report-aggregation/pom.xml
@@ -3,7 +3,7 @@
         <relativePath>../pom.xml</relativePath>
         <artifactId>openrouteservice</artifactId>
         <groupId>org.heigit.ors</groupId>
-        <version>9.0.0-SNAPSHOT</version>
+        <version>9.0.0</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/ors-test-scenarios/pom.xml b/ors-test-scenarios/pom.xml
index b82da84e04..151792e642 100644
--- a/ors-test-scenarios/pom.xml
+++ b/ors-test-scenarios/pom.xml
@@ -7,7 +7,7 @@
         <relativePath>../pom.xml</relativePath>
         <artifactId>openrouteservice</artifactId>
         <groupId>org.heigit.ors</groupId>
-        <version>9.0.0-SNAPSHOT</version>
+        <version>9.0.0</version>
     </parent>
 
     <artifactId>ors-test-scenarios</artifactId>
diff --git a/pom.xml b/pom.xml
index b7a654b88b..7d7c10a6aa 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.heigit.ors</groupId>
     <artifactId>openrouteservice</artifactId>
-    <version>9.0.0-SNAPSHOT</version>
+    <version>9.0.0</version>
     <packaging>pom</packaging>
     <name>openrouteservice</name>
     <url>https://openrouteservice.org</url>