diff --git a/sld/pom.xml b/sld/pom.xml
index b79ec56..a61f7a7 100644
--- a/sld/pom.xml
+++ b/sld/pom.xml
@@ -20,7 +20,7 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>
-      <version>25.0-jre</version>
+      <version>29.0-jre</version>
     </dependency>
 
     <dependency>