diff --git a/other/java/client/pom.xml b/other/java/client/pom.xml
index b715368a7..f4e522a3e 100644
--- a/other/java/client/pom.xml
+++ b/other/java/client/pom.xml
@@ -17,7 +17,7 @@
         <protobuf.version>3.9.1</protobuf.version>
         <!-- follow https://github.com/grpc/grpc-java -->
         <grpc.version>1.23.0</grpc.version>
-        <guava.version>29.0-jre</guava.version>
+        <guava.version>30.0-jre</guava.version>
     </properties>
 
     <dependencies>
diff --git a/test/random_access/pom.xml b/test/random_access/pom.xml
index 0e3628cca..36fe6b256 100644
--- a/test/random_access/pom.xml
+++ b/test/random_access/pom.xml
@@ -8,7 +8,7 @@
     <version>1.0-SNAPSHOT</version>
 
     <properties>
-        <guava.version>29.0-jre</guava.version>
+        <guava.version>30.0-jre</guava.version>
     </properties>
 
     <dependencies>