Updating SLF4J

diff --git a/xmlschema-bundle-test/pom.xml b/xmlschema-bundle-test/pom.xml
index 7225b5d..dcc17a9 100644
--- a/xmlschema-bundle-test/pom.xml
+++ b/xmlschema-bundle-test/pom.xml
@@ -114,7 +114,7 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>1.7.7</version>
+            <version>1.7.25</version>
         </dependency>
     </dependencies>
 </project>