diff --git a/grpc-in-action/pom.xml b/grpc-in-action/pom.xml
index f1c19eb..958fd1f 100644
--- a/grpc-in-action/pom.xml
+++ b/grpc-in-action/pom.xml
@@ -19,7 +19,7 @@
   <properties>
     <protobuf-java.version>3.1.0</protobuf-java.version>
     <grpc.version>1.16.1</grpc.version>
-    <guava.version>28.0-android</guava.version>
+    <guava.version>29.0-android</guava.version>
     <lombok.version>1.16.10</lombok.version>
   </properties>