diff --git a/modules/pulsar/build.gradle b/modules/pulsar/build.gradle
index efcd24690ce..7e7e4e533b5 100644
--- a/modules/pulsar/build.gradle
+++ b/modules/pulsar/build.gradle
@@ -4,6 +4,6 @@ dependencies {
     api project(':testcontainers')
 
     testImplementation group: 'org.apache.pulsar', name: 'pulsar-client', version: '3.2.3'
-    testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.25.3'
+    testImplementation group: 'org.assertj', name: 'assertj-core', version: '3.26.3'
     testImplementation group: 'org.apache.pulsar', name: 'pulsar-client-admin', version: '3.2.3'
 }