Added collection query rewrite according to availability.

Change-Id: I79d7fdf2564bb832bc59f6d7d3a311d0e5409d14
diff --git a/pom.xml b/pom.xml
index 3675651..b5fee52 100644
--- a/pom.xml
+++ b/pom.xml
@@ -290,7 +290,7 @@
         <dependency>
             <groupId>de.ids_mannheim.korap</groupId>
             <artifactId>Koral</artifactId>
-            <version>0.23</version>
+            <version>0.25</version>
             <exclusions>
                 <exclusion>
                     <groupId>org.eclipse.jetty</groupId>