diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index c8e0d8ba..3025eba9 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -13,6 +13,8 @@ For a detailed view of what has changed, refer to the {url-repo}/commits/main[co
 
 == Unreleased
 
+== 2.5.9 (2023-06-01)
+
 Improvement::
 
 * Upgrade to asciidoctor 2.0.20 (#1209)
diff --git a/gradle.properties b/gradle.properties
index 936f13a3..1300f300 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,2 +1,2 @@
-version=2.5.9-SNAPSHOT
+version=2.5.9
 org.gradle.jvmargs=-XX:MaxMetaspaceSize=512m