diff --git a/jflex/pom.xml b/jflex/pom.xml
index c611a1413..513d7e989 100644
--- a/jflex/pom.xml
+++ b/jflex/pom.xml
@@ -100,7 +100,7 @@
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
-      <version>1.7.30</version>
+      <version>1.7.35</version>
       <scope>test</scope>
     </dependency>
   </dependencies>