diff --git a/data-prepper-plugins/http-source/build.gradle b/data-prepper-plugins/http-source/build.gradle
index 459513f6c7..d6bc76dbbc 100644
--- a/data-prepper-plugins/http-source/build.gradle
+++ b/data-prepper-plugins/http-source/build.gradle
@@ -18,7 +18,7 @@ dependencies {
     implementation 'software.amazon.awssdk:s3'
     implementation 'software.amazon.awssdk:apache-client'
     testImplementation project(':data-prepper-api').sourceSets.test.output
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.0'
 }
 
 jacocoTestCoverageVerification {