diff --git a/walkthroughs/week-5-tdd/project/pom.xml b/walkthroughs/week-5-tdd/project/pom.xml
index e4d5dce..e4c5283 100644
--- a/walkthroughs/week-5-tdd/project/pom.xml
+++ b/walkthroughs/week-5-tdd/project/pom.xml
@@ -27,7 +27,7 @@
     <dependency>
       <groupId>com.google.code.gson</groupId>
       <artifactId>gson</artifactId>
-      <version>2.8.6</version>
+      <version>2.8.9</version>
     </dependency>