diff --git a/aws-lambda-events-serde/build.gradle.kts b/aws-lambda-events-serde/build.gradle.kts
index 29687280e1..d4c328ccf9 100644
--- a/aws-lambda-events-serde/build.gradle.kts
+++ b/aws-lambda-events-serde/build.gradle.kts
@@ -7,6 +7,6 @@ dependencies {
     api(mnSerde.micronaut.serde.api)
     api(libs.managed.aws.lambda.events)
     implementation(libs.managed.aws.lambda.java.serialization)
-    testImplementation(libs.assertj.core)
+    testImplementation(mnTest.assertj.core)
     testImplementation(mnSerde.micronaut.serde.jackson)
 }
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 62550be12a..6133c30b6b 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -9,7 +9,6 @@ bouncycastle = '1.70'
 fileupload = '0.0.6'
 jetty = '11.0.19'
 logback-json-classic = '0.1.5'
-assertj = '3.25.3'
 
 micronaut-discovery = "4.2.0"
 micronaut-groovy = "4.2.0"
@@ -64,7 +63,6 @@ micronaut-views = { module = "io.micronaut.views:micronaut-views-bom", version.r
 micronaut-validation = { module = "io.micronaut.validation:micronaut-validation-bom", version.ref = "micronaut-validation" }
 
 alexa-ask-sdk-apache-client = { module = 'com.amazon.alexa:ask-sdk-apache-client', version.ref = 'managed-alexa-ask-sdk' }
-assertj-core = { module = 'org.assertj:assertj-core', version.ref = 'assertj' }
 aws-ssm = { module = 'software.amazon.awssdk:ssm' }
 awssdk-apache-client = { module = 'software.amazon.awssdk:apache-client' }
 awssdk-apigatewaymanagementapi = { module = 'software.amazon.awssdk:apigatewaymanagementapi' }