diff --git a/reversi/pom.xml b/reversi/pom.xml
index 3880736..741286f 100644
--- a/reversi/pom.xml
+++ b/reversi/pom.xml
@@ -30,7 +30,7 @@
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
-            <version>3.24.2</version>
+            <version>3.27.7</version>
         </dependency>
         <dependency>
             <groupId>org.hamcrest</groupId>