diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1dd8bc7..4de393c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,22 +27,22 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
-    - name: Set up OpenJDK 17
-      uses: actions/setup-java@v3
+      uses: actions/checkout@v6
+    - name: Set up OpenJDK 21
+      uses: actions/setup-java@v5
       with:
         distribution: 'temurin'
-        java-version: '17'
+        java-version: '21'
     - name: Set up Maven 1/2
-      uses: stCarolas/setup-maven@v4.5
+      uses: stCarolas/setup-maven@v5.1
       with:
-        maven-version: 3.8.5        
+        maven-version: 3.9.16        
     - name: Set up Maven 2/2
       run: echo "MAVEN_OPTS='-Xmx2048m'" > ~/.mavenrc
     - name: Build with Maven
       run: mvn clean verify --no-transfer-progress
     - name: Archive Babel Plugings Update Site
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with: 
         name: babel-update-site
         path: org.eclipse.babel.repository/target/org.eclipse.babel.repository*.zip
diff --git a/pom.xml b/pom.xml
index 19f4bbb..e113168 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,7 +31,7 @@ Contributors:
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <tycho-version>3.0.4</tycho-version>
+    <tycho-version>5.0.4</tycho-version>
   </properties>
 
   <build>