diff --git a/telemetry-testing/build.gradle.kts b/telemetry-testing/build.gradle.kts
index 876b3affd..620c7a4e8 100644
--- a/telemetry-testing/build.gradle.kts
+++ b/telemetry-testing/build.gradle.kts
@@ -34,7 +34,7 @@ dependencies {
     testImplementation("org.mock-server:mockserver-netty:5.15.0")
     testImplementation("org.awaitility:awaitility:4.2.2")
     testImplementation("io.opentelemetry.proto:opentelemetry-proto:1.5.0-alpha")
-    testImplementation("org.assertj:assertj-core:3.27.2")
+    testImplementation("org.assertj:assertj-core:3.27.3")
 
     agent("io.opentelemetry.javaagent:opentelemetry-javaagent:2.12.0")
 }