diff --git a/build.gradle b/build.gradle
index 06f3630..dac9049 100644
--- a/build.gradle
+++ b/build.gradle
@@ -29,5 +29,5 @@ dependencies {
     testImplementation 'org.assertj:assertj-core:3.14.0'
     testImplementation 'eu.codearte.catch-exception:catch-exception:2.0'
     testImplementation 'org.apache.commons:commons-lang3:3.9'
-    testImplementation 'com.google.guava:guava:28.2-jre'
+    testImplementation 'com.google.guava:guava:30.1.1-jre'
 }