13 - 12 again
diff --git a/pom.xml b/pom.xml
index 12a8b2a..df61a06 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
     <!-- this becomes the forced context7.3.0.qualifier
     <forceContextQualifier>M3-SNAPSHOT</forceContextQualifier> -->
       
-    <tycho-version>0.13.0</tycho-version>
+    <tycho-version>0.12.0</tycho-version>
 
     <jetty-version>8.1.0-SNAPSHOT</jetty-version>
     <p2-install-folder-name>development</p2-install-folder-name>