diff --git a/data-prepper-plugins/otel-metrics-source/build.gradle b/data-prepper-plugins/otel-metrics-source/build.gradle
index 6372395a81..c8d739d737 100644
--- a/data-prepper-plugins/otel-metrics-source/build.gradle
+++ b/data-prepper-plugins/otel-metrics-source/build.gradle
@@ -30,7 +30,7 @@ dependencies {
     implementation libs.bouncycastle.bcprov
     implementation libs.bouncycastle.bcpkix
     testImplementation testLibs.junit.vintage
-    testImplementation 'org.assertj:assertj-core:3.24.2'
+    testImplementation 'org.assertj:assertj-core:3.25.0'
     testImplementation testLibs.mockito.inline
     testImplementation libs.commons.io
 }