diff --git a/modules/helma/build.gradle b/modules/helma/build.gradle
index 81f22c50..fc31fafa 100644
--- a/modules/helma/build.gradle
+++ b/modules/helma/build.gradle
@@ -1,6 +1,6 @@
 dependencies {
 	runtimeOnly 'ch.ethz.ganymed:ganymed-ssh2:build209'
-	runtimeOnly 'net.sourceforge.jexcelapi:jxl:2.5.7'
+	runtimeOnly 'net.sourceforge.jexcelapi:jxl:2.6.12'
 	runtimeOnly 'org.apache.lucene:lucene-analyzers:2.2.0'
 	runtimeOnly 'org.apache.lucene:lucene-core:2.2.0'
 }