diff --git a/lesson-converter/pom.xml b/lesson-converter/pom.xml
index a0d83ebb..1a30c5d3 100644
--- a/lesson-converter/pom.xml
+++ b/lesson-converter/pom.xml
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
         </dependency>
     </dependencies>