diff --git a/src/park/query-optimizer/pom.xml b/src/park/query-optimizer/pom.xml
index 8f0b84e..d21290b 100644
--- a/src/park/query-optimizer/pom.xml
+++ b/src/park/query-optimizer/pom.xml
@@ -47,7 +47,7 @@
       <dependency>
         <groupId>com.google.code.gson</groupId>
         <artifactId>gson</artifactId>
-        <version>2.8.5</version>
+        <version>2.8.9</version>
       </dependency>