diff --git a/pom.xml b/pom.xml
index 64b567f..b0f2e42 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
         <jsr305.version>3.0.2</jsr305.version>
 
         <!-- test -->
-        <guava.version>28.1-jre</guava.version>
+        <guava.version>29.0-jre</guava.version>
         <junit.version>5.7.2</junit.version>
         <logback-classic.version>1.2.3</logback-classic.version>
         <jmh.version>1.23</jmh.version>