diff --git a/java-pure-io/pom.xml b/java-pure-io/pom.xml
index 1a1338d..711a8b9 100644
--- a/java-pure-io/pom.xml
+++ b/java-pure-io/pom.xml
@@ -53,7 +53,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>27.0.1-jre</version>
+            <version>29.0-jre</version>
         </dependency>
 
         <dependency>