diff --git a/.github/integration-test/docker-compose.yml b/.github/integration-test/docker-compose.yml
index 80a4bf0b..132e95e8 100644
--- a/.github/integration-test/docker-compose.yml
+++ b/.github/integration-test/docker-compose.yml
@@ -90,7 +90,7 @@ services:
       - "blaze-data:/app/data"
 
   flare:
-    image: ghcr.io/medizininformatik-initiative/flare:2.0.0-rc2
+    image: ghcr.io/medizininformatik-initiative/flare:2.1.1
     ports:
       - "8092:8080"
     environment:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 40d47855..7c4c7597 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,16 +4,19 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
-## [UNRELEASED] - yyyy-mm-dd
+## [5.0.0-alpha.1] - 2024-04-03
 
 ### Added
+- Added an endpoint to validate uploaded structured queries. ([#258](https://github.com/medizininformatik-initiative/feasibility-backend/issues/258))
 ### Changed
+- Validation for structured queries has been reworked. ([#260](https://github.com/medizininformatik-initiative/feasibility-backend/issues/260)), ([#266](https://github.com/medizininformatik-initiative/feasibility-backend/issues/266))
 ### Deprecated
 ### Removed
 ### Fixed
 ### Security
+- Updated spring boot to 3.2.4 ([#262](https://github.com/medizininformatik-initiative/feasibility-backend/issues/262))
 
-The full changelog can be found [here](https://todo).
+The full changelog can be found [here](https://github.com/medizininformatik-initiative/feasibility-backend/milestone/9?closed=1).
 
 ## [4.3.0] - 2024-02-02
 
diff --git a/pom.xml b/pom.xml
index 9523d4af..07510ef0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
   <groupId>de.medizininformatik-initiative</groupId>
   <artifactId>FeasibilityGuiBackend</artifactId>
-  <version>4.4.0-SNAPSHOT</version>
+  <version>5.0.0-alpha.1</version>
 
   <name>FeasibilityGuiBackend</name>
   <description>Backend of the Feasibility GUI</description>