diff --git a/build.gradle b/build.gradle
index 570011e..89d4991 100644
--- a/build.gradle
+++ b/build.gradle
@@ -91,7 +91,7 @@ dependencies {
 
   testImplementation project.deps.gocdPluginApi
   testImplementation group: 'org.mockito', name: 'mockito-core', version: '5.12.0'
-  testImplementation group: 'org.skyscreamer', name: 'jsonassert', version: '1.5.1'
+  testImplementation group: 'org.skyscreamer', name: 'jsonassert', version: '1.5.3'
   testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.26.0'
   testImplementation platform('org.junit:junit-bom:5.10.3')
   testImplementation group: 'org.junit.jupiter', name: 'junit-jupiter-api'