diff --git a/build.gradle b/build.gradle
index 1ad7b69..01b5730 100644
--- a/build.gradle
+++ b/build.gradle
@@ -49,7 +49,7 @@ jacocoTestReport {
 }
 
 dependencies {
-	implementation 'guru.nidi:graphviz-java-all-j2v8:0.17.0'
+	implementation 'guru.nidi:graphviz-java-all-j2v8:0.18.1'
 	implementation 'ch.qos.logback:logback-classic:1.2.5'
 	implementation 'info.picocli:picocli:4.6.1'
 	testImplementation 'org.junit.jupiter:junit-jupiter-api:5.7.2'