diff --git a/forest_api/pom.xml b/forest_api/pom.xml
index eec1902..4216778 100644
--- a/forest_api/pom.xml
+++ b/forest_api/pom.xml
@@ -90,7 +90,7 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>26.0-jre</version>
+            <version>29.0-jre</version>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>