diff --git a/build.gradle b/build.gradle
index 19f20f5..a88ff3c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,7 +27,7 @@ dependencies {
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.2'
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.2'
     testImplementation 'org.junit.jupiter:junit-jupiter-params:5.8.2'
-    testImplementation 'org.assertj:assertj-core:3.21.0'
+    testImplementation 'org.assertj:assertj-core:3.24.2'
 }
 
 generateGrammarSource {