diff --git a/grpc/grpc-impl/pom.xml b/grpc/grpc-impl/pom.xml
index 01fbb85..8b46e7a 100644
--- a/grpc/grpc-impl/pom.xml
+++ b/grpc/grpc-impl/pom.xml
@@ -86,7 +86,7 @@ and is available at http://www.eclipse.org/legal/epl-v10.html
       <dependency>
           <groupId>com.google.guava</groupId>
           <artifactId>guava</artifactId>
-          <version>23.6-jre</version>
+          <version>24.1.1-jre</version>
       </dependency>
    </dependencies>