diff --git a/data-prepper-plugins/otel-trace-source/build.gradle b/data-prepper-plugins/otel-trace-source/build.gradle
index 474c19ed2f..3be445a475 100644
--- a/data-prepper-plugins/otel-trace-source/build.gradle
+++ b/data-prepper-plugins/otel-trace-source/build.gradle
@@ -29,7 +29,7 @@ dependencies {
     implementation libs.commons.lang3
     implementation libs.bouncycastle.bcprov
     implementation libs.bouncycastle.bcpkix
-    testImplementation 'org.assertj:assertj-core:3.27.3'
+    testImplementation 'org.assertj:assertj-core:3.27.4'
     testImplementation testLibs.slf4j.simple
     testImplementation libs.commons.io
     testImplementation 'org.skyscreamer:jsonassert:1.5.3'