diff --git a/self-core-impl/pom.xml b/self-core-impl/pom.xml
index 69b783bd..b5759823 100644
--- a/self-core-impl/pom.xml
+++ b/self-core-impl/pom.xml
@@ -36,7 +36,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.6</version>
+            <version>2.8.9</version>
         </dependency>
         <dependency>
             <groupId>org.apache.pdfbox</groupId>