diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f60db8..ef5a9a0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## unreleased
+## 1.5.3 (2025-09-09)
 
 ### Dependencies
 * Updated Jackson to 2.20.0 (#106)
@@ -11,6 +11,7 @@
 ### Fix
 * Prevent potential off-by-1 error in internal `mapOf()` helper (#107)
 
+
 ## 1.5.2 (2025-07-16)
 
 ### Dependencies
diff --git a/README.md b/README.md
index d7569f9..b002133 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ Java Vault Connector is a connector library for [Vault](https://www.vaultproject
 <dependency>
     <groupId>de.stklcode.jvault</groupId>
     <artifactId>jvault-connector</artifactId>
-    <version>1.5.2</version>
+    <version>1.5.3</version>
 </dependency>
 ```
 
diff --git a/pom.xml b/pom.xml
index ab5fd50..d990e58 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 
     <groupId>de.stklcode.jvault</groupId>
     <artifactId>jvault-connector</artifactId>
-    <version>1.5.3-SNAPSHOT</version>
+    <version>1.5.3</version>
 
     <packaging>jar</packaging>
 
@@ -32,7 +32,7 @@
         <connection>scm:git:git://github.com/stklcode/jvaultconnector.git</connection>
         <developerConnection>scm:git:git@github.com:stklcode/jvaultconnector.git</developerConnection>
         <url>https://github.com/stklcode/jvaultconnector</url>
-        <tag>HEAD</tag>
+        <tag>v1.5.3</tag>
     </scm>
 
     <issueManagement>
@@ -42,6 +42,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.build.outputTimestamp>2025-09-09T09:45:59Z</project.build.outputTimestamp>
         <argLine />
     </properties>
 
@@ -178,7 +179,7 @@
                 <plugin>
                     <groupId>org.sonarsource.scanner.maven</groupId>
                     <artifactId>sonar-maven-plugin</artifactId>
-                    <version> 5.2.0.4988</version>
+                    <version>5.2.0.4988</version>
                 </plugin>
             </plugins>
         </pluginManagement>