diff --git a/log4j-api-to-jul/pom.xml b/log4j-api-to-jul/pom.xml
index ed2b71d..068696c 100644
--- a/log4j-api-to-jul/pom.xml
+++ b/log4j-api-to-jul/pom.xml
@@ -59,7 +59,7 @@
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava-testlib</artifactId>
-      <version>33.3.1-jre</version>
+      <version>33.4.0-jre</version>
       <scope>test</scope>
     </dependency>