diff --git a/Backend/xslt-rest/pom.xml b/Backend/xslt-rest/pom.xml
index 3e928c9..4f593b2 100644
--- a/Backend/xslt-rest/pom.xml
+++ b/Backend/xslt-rest/pom.xml
@@ -78,7 +78,7 @@
     <dependency>
       <groupId>com.sparkjava</groupId>
       <artifactId>spark-core</artifactId>
-      <version>2.9.3</version>
+      <version>2.9.4</version>
     </dependency>
 
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