diff --git a/ch03-making-sense-of-feedback/sentiment/pom.xml b/ch03-making-sense-of-feedback/sentiment/pom.xml
index 4764cdb..447c6cd 100644
--- a/ch03-making-sense-of-feedback/sentiment/pom.xml
+++ b/ch03-making-sense-of-feedback/sentiment/pom.xml
@@ -77,7 +77,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.2</version>
+            <version>2.8.9</version>
         </dependency>
         <dependency>
             <groupId>com.twitter</groupId>