diff --git a/solutions/sequence/sorter/pom.xml b/solutions/sequence/sorter/pom.xml
index 381e708..07127bf 100644
--- a/solutions/sequence/sorter/pom.xml
+++ b/solutions/sequence/sorter/pom.xml
@@ -10,7 +10,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>1.8</maven.compiler.target>
-    <gson.version>2.8.2</gson.version>
+    <gson.version>2.8.9</gson.version>
   </properties>
   <dependencies>
     <dependency>