diff --git a/build.gradle b/build.gradle
index f6b63eb..423c257 100644
--- a/build.gradle
+++ b/build.gradle
@@ -71,7 +71,7 @@ dependencies {
   testImplementation group: 'org.junit.jupiter', name: 'junit-jupiter-params'
   testRuntimeOnly group: 'org.junit.jupiter', name: 'junit-jupiter-engine'
   testRuntimeOnly group: 'org.junit.platform', name: 'junit-platform-launcher'
-  testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.25.3'
+  testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.26.0'
   testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.12.0'
   testImplementation group: 'org.jsoup', name: 'jsoup', version: '1.17.2'
   testImplementation project.deps.gocdPluginApi