diff --git a/.drone.yml b/.drone.yml
index 8cf7476..3cfc8c8 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -12,19 +12,19 @@ trigger:
 steps:
   # test if it compiles correctly
   - name: build
-    image: maven:3-eclipse-temurin-21
+    image: maven:3-eclipse-temurin-25
     commands:
       - mvn verify --no-transfer-progress -DskipTests=true -Dmaven.javadoc.skip=true -B -V
 
   # run unit tests
   - name: test
-    image: maven:3-eclipse-temurin-21
+    image: maven:3-eclipse-temurin-25
     commands:
       - mvn test --no-transfer-progress -B -V
 
   # run code analysis
   - name: code-analysis
-    image: maven:3-eclipse-temurin-21
+    image: maven:3-eclipse-temurin-25
     commands:
       - mvn sonar:sonar --no-transfer-progress -Dsonar.projectKey=$SONAR_PROJECT_KEY -Dsonar.host.url=$SONAR_INSTANCE_URL -Dsonar.token=$SONAR_LOGIN_KEY -B -V
     environment:
@@ -55,7 +55,7 @@ steps:
 
   # upload to maven repository
   - name: maven-deploy
-    image: maven:3-eclipse-temurin-21
+    image: maven:3-eclipse-temurin-25
     commands:
       - mvn deploy --no-transfer-progress -DskipTests=true -Dmaven.javadoc.skip=true -B -V -gs settings.xml -Dmaven.repo.username=$MAVEN_REPO_USERNAME -Dmaven.repo.password=$MAVEN_REPO_PASSWORD
     environment:
diff --git a/pom.xml b/pom.xml
index 4aa346c..166bc7e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,8 +9,7 @@
     <version>0.0.5-SNAPSHOT</version>
 
     <properties>
-        <maven.compiler.source>21</maven.compiler.source>
-        <maven.compiler.target>21</maven.compiler.target>
+        <maven.compiler.release>25</maven.compiler.release>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
diff --git a/readme.md b/readme.md
index 2a307eb..5c43cb0 100644
--- a/readme.md
+++ b/readme.md
@@ -18,7 +18,7 @@
   
 ## building  
 **required tools**  
- - java 21 sdk  
+ - java 25 sdk  
  - git  
  - maven  
   
@@ -26,7 +26,7 @@
  1. clone the official repository linked below using `git clone`.  
  2. `cd` into the directory and run `mvn clean package`.  
  3. you will find a runnable jar with dependencies in the `target/` folder.  
- 4. run the built jar file with `java -jar target/autosqueal-*-dependencies.jar`.
+ 4. run the built jar file with `java -jar target/autosqueal-*-jar-with-dependencies.jar`.
   
 ## support  
 | category            | info                                                          |