diff --git a/.github/workflows/maven.yaml b/.github/workflows/maven.yaml
index f88022b9b..79ca1cee6 100644
--- a/.github/workflows/maven.yaml
+++ b/.github/workflows/maven.yaml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [ '11', '17' ]
+        java: [ '17' ]
     name: Java ${{ matrix.java }} compile
     steps:
     - uses: actions/checkout@v2
diff --git a/releng/org.eclipse.nebula.nebula-parent/pom.xml b/releng/org.eclipse.nebula.nebula-parent/pom.xml
index 553c41b31..f9a140113 100644
--- a/releng/org.eclipse.nebula.nebula-parent/pom.xml
+++ b/releng/org.eclipse.nebula.nebula-parent/pom.xml
@@ -22,7 +22,7 @@ Contributors:
 
 	<properties>
 
-		<tycho-version>2.6.0</tycho-version>
+		<tycho-version>3.0.4</tycho-version>
 		<tycho-extras-version>${tycho-version}</tycho-extras-version>
 		<mockito-version>2.8.9</mockito-version>
 		<findbugs-version>2.3.2</findbugs-version>