diff --git a/doctork/pom.xml b/doctork/pom.xml
index 29446b0..0a79242 100644
--- a/doctork/pom.xml
+++ b/doctork/pom.xml
@@ -60,7 +60,7 @@
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-			<version>27.0.1-jre</version>
+			<version>29.0-jre</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.commons</groupId>