Use signed version of repo
diff --git a/pom.xml b/pom.xml
index 9b04d90..44d9a7e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -106,7 +106,7 @@
         <repository>
             <id>eclipse-derby-buildtools-repository</id>
             <layout>p2</layout>
-            <url>http://build.eclipse.org/eclipse/buildtools/derbyCore-10.11.1.1/</url>
+            <url>http://build.eclipse.org/eclipse/buildtools/derbyCore-10.11.1.1-B/</url>
         </repository>        
          <repository>
             <id>cbi-common-license</id>