diff --git a/modules/helma/build.gradle b/modules/helma/build.gradle
index f78f66d4..6b8c2b5e 100644
--- a/modules/helma/build.gradle
+++ b/modules/helma/build.gradle
@@ -1,8 +1,8 @@
 dependencies {
 	runtimeOnly 'ch.ethz.ganymed:ganymed-ssh2:build209'
 	runtimeOnly 'net.sourceforge.jexcelapi:jxl:2.5.7'
-	runtimeOnly 'org.apache.lucene:lucene-analyzers:2.2.0'
-	runtimeOnly 'org.apache.lucene:lucene-core:2.2.0'
+	runtimeOnly 'org.apache.lucene:lucene-analyzers:2.9.4'
+	runtimeOnly 'org.apache.lucene:lucene-core:2.9.4'
 }
 
 jar.enabled = false