diff --git a/build.gradle b/build.gradle
index 7e389b1..ab48be7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -81,7 +81,7 @@ allprojects {
 }
 
 dependencies {
-    api('org.querqy:querqy-lucene:5.4.lucene900.1')
+    api('org.querqy:querqy-lucene:5.6.lucene900.0')
     api('com.fasterxml.jackson.core:jackson-databind')
     api('com.fasterxml.jackson.core:jackson-core:2.13.3')
     api('com.fasterxml.jackson.core:jackson-annotations:2.13.4')