diff --git a/refactoring-tic-tac-toe/pom.xml b/refactoring-tic-tac-toe/pom.xml
index 33163ad..25e978a 100644
--- a/refactoring-tic-tac-toe/pom.xml
+++ b/refactoring-tic-tac-toe/pom.xml
@@ -49,7 +49,7 @@
     <dependency>
       <groupId>org.assertj</groupId>
       <artifactId>assertj-core</artifactId>
-      <version>3.18.1</version>
+      <version>3.27.7</version>
     </dependency>
     <!-- alternative assertion frameworks
     <dependency>