Start conversion to newer tycho and signing plugins.
diff --git a/jetty.bundles.repo/pom.xml b/jetty.bundles.repo/pom.xml
index 1ff8d4f..3b1ef0a 100644
--- a/jetty.bundles.repo/pom.xml
+++ b/jetty.bundles.repo/pom.xml
@@ -79,8 +79,8 @@
            </executions>
          </plugin>
          <plugin>
-           <groupId>org.eclipse.dash.maven</groupId>
-           <artifactId>eclipse-signing-maven-plugin</artifactId>
+           <groupId>org.eclipse.cbi.maven.plugins</groupId>
+           <artifactId>eclipse-jarsigner-plugin</artifactId>
            <version>${signing-plugin-version}</version>
            <executions>
              <execution>
@@ -99,7 +99,7 @@
                  <inputFile>${project.build.directory}/packed/bundles-site.zip</inputFile>
                  <signerInputDirectory>/home/data/httpd/download-staging.priv/rt/jetty/wksigning</signerInputDirectory>
                </configuration>
-               <phase>integration-test</phase>
+               <phase>verify</phase>
                <goals>
                  <goal>sign</goal>
                </goals>
diff --git a/pom.xml b/pom.xml
index 3f27b7b..23ff854 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,13 +18,13 @@
     <!-- this becomes the forced context7.3.0.qualifier
     <forceContextQualifier>M3-SNAPSHOT</forceContextQualifier> -->
 
-    <tycho-version>0.15.0</tycho-version>
+    <tycho-version>0.18.1</tycho-version>
 
     <jetty-version>9.0.0-SNAPSHOT</jetty-version>
     <jetty-npn-api-version>1.1.0.v20120525</jetty-npn-api-version>
     <p2-install-folder-name>development</p2-install-folder-name>
 
-    <signing-plugin-version>1.0.5</signing-plugin-version>
+    <signing-plugin-version>1.0.4</signing-plugin-version>
 
     <eclipse-mirror-url>http://download.eclipse.org</eclipse-mirror-url>
     <equinox-site>${eclipse-mirror-url}/eclipse/updates/3.8</equinox-site>
@@ -51,10 +51,10 @@
 
   <pluginRepositories>
      <pluginRepository>
-       <id>dash-plugins</id>
-       <url>http://maven.eclipse.org/nexus/content/groups/public/</url>
+       <id>signing-plugins</id>
+       <url>https://repo.eclipse.org/content/repositories/cbi-releases</url>
        <snapshots>
-        <enabled>true</enabled>
+        <enabled>false</enabled>
        </snapshots>
        <releases>
         <enabled>true</enabled>