diff --git a/pom.xml b/pom.xml
index 3743acef..9ff0228c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,7 +46,7 @@
 
     <!-- build dependencies -->
     <version.checkstyle>10.14.0</version.checkstyle>
-    <version.google-java-format>1.20.0</version.google-java-format>
+    <version.google-java-format>1.21.0</version.google-java-format>
     <version.maven.checkstyle>3.3.1</version.maven.checkstyle>
     <version.maven.compiler>3.11.0</version.maven.compiler>
     <version.maven.dependency>3.6.1</version.maven.dependency>