diff --git a/04-speech/pom.xml b/04-speech/pom.xml
index d751b88..55c8649 100644
--- a/04-speech/pom.xml
+++ b/04-speech/pom.xml
@@ -51,7 +51,7 @@
     <dependency>
       <groupId>com.google.code.gson</groupId>
       <artifactId>gson</artifactId>
-      <version>2.8.0</version>
+      <version>2.8.9</version>
     </dependency>
   </dependencies>