diff --git a/build.gradle b/build.gradle
index a55288c..35a0dba 100644
--- a/build.gradle
+++ b/build.gradle
@@ -81,7 +81,7 @@ dependencies {
 
   testImplementation group: 'cd.go.plugin', name: 'go-plugin-api', version: '21.4.0'
   testImplementation group: 'uk.org.webcompere', name: 'system-stubs-jupiter', version: '2.0.1'
-  testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.22.0'
+  testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.23.1'
   testImplementation group: 'org.mockito', name: 'mockito-core', version: '4.6.0'
   testImplementation group: 'org.skyscreamer', name: 'jsonassert', version: '1.5.0'
   testImplementation group: 'org.jsoup', name: 'jsoup', version: '1.15.1'