Upgrade to Tycho 0.26.0 (supports building with Java 9)
diff --git a/bin/perform_milestone.sh b/bin/perform_milestone.sh
index 9b30982..41d0174 100755
--- a/bin/perform_milestone.sh
+++ b/bin/perform_milestone.sh
@@ -50,7 +50,7 @@
 
 NEW_VERSION=${VERSION%%.M*}-SNAPSHOT
 
-mvn org.eclipse.tycho:tycho-versions-plugin:0.25.0:set-version -DnewVersion=${NEW_VERSION}
+mvn org.eclipse.tycho:tycho-versions-plugin:0.26.0:set-version -DnewVersion=${NEW_VERSION}
 
 git add . ; git commit -m "Prepare for next round of development"
 
diff --git a/bin/perform_release.sh b/bin/perform_release.sh
index 6a8ff84..98834d7 100755
--- a/bin/perform_release.sh
+++ b/bin/perform_release.sh
@@ -51,7 +51,7 @@
 MINOR_MICRO=${VERSION#*.}
 NEW_VERSION=${VERSION%%.*}.$((${MINOR_MICRO%%.*}+1)).0-SNAPSHOT
 
-mvn org.eclipse.tycho:tycho-versions-plugin:0.25.0:set-version -DnewVersion=${NEW_VERSION}
+mvn org.eclipse.tycho:tycho-versions-plugin:0.26.0:set-version -DnewVersion=${NEW_VERSION}
 
 git add . ; git commit -m "Prepare for next round of development"
 
diff --git a/bin/prepare_milestone.sh b/bin/prepare_milestone.sh
index af9441d..021f2f7 100755
--- a/bin/prepare_milestone.sh
+++ b/bin/prepare_milestone.sh
@@ -34,7 +34,7 @@
 
 git checkout --no-track -b staging-${VERSION} master
 
-mvn org.eclipse.tycho:tycho-versions-plugin:0.25.0:set-version -DnewVersion=${VERSION}
+mvn org.eclipse.tycho:tycho-versions-plugin:0.26.0:set-version -DnewVersion=${VERSION}
 
 git add . ; git commit -m "Milestone ${VERSION}"
 
diff --git a/bin/prepare_release.sh b/bin/prepare_release.sh
index 48844db..5d9bfa5 100755
--- a/bin/prepare_release.sh
+++ b/bin/prepare_release.sh
@@ -34,7 +34,7 @@
 
 git checkout --no-track -b staging-${VERSION} master
 
-mvn org.eclipse.tycho:tycho-versions-plugin:0.25.0:set-version -DnewVersion=${VERSION}
+mvn org.eclipse.tycho:tycho-versions-plugin:0.26.0:set-version -DnewVersion=${VERSION}
 
 git add . ; git commit -m "Release ${VERSION}"
 
diff --git a/pom.xml b/pom.xml
index d827205..3dec8e4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -87,7 +87,7 @@
     <maven.compiler.source>1.6</maven.compiler.source>
     <maven.compiler.target>1.6</maven.compiler.target>
     <tycho.scmUrl>scm:git:http://git.eclipse.org/gitroot/sisu/org.eclipse.sisu.inject.git</tycho.scmUrl>
-    <tycho-version>0.25.0</tycho-version>
+    <tycho-version>0.26.0</tycho-version>
   </properties>
 
   <build>