diff --git a/execrise-lucene/pom.xml b/execrise-lucene/pom.xml
index eb0d3ad..dab2d04 100644
--- a/execrise-lucene/pom.xml
+++ b/execrise-lucene/pom.xml
@@ -16,7 +16,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <maven.compiler.source>1.7</maven.compiler.source>
     <maven.compiler.target>1.7</maven.compiler.target>
-    <lunece.version>4.10.2</lunece.version>
+    <lunece.version>8.4.0</lunece.version>
   </properties>