diff --git a/mqtt-ssl/build.gradle b/mqtt-ssl/build.gradle
index 9506200d..605f5f4e 100644
--- a/mqtt-ssl/build.gradle
+++ b/mqtt-ssl/build.gradle
@@ -5,7 +5,7 @@ dependencies {
     implementation("io.micronaut:micronaut-http")
     api project(":mqtt-core")
     implementation "org.bouncycastle:bcpkix-jdk15on:1.68"
-    api "org.testcontainers:spock:1.15.1"
+    api "org.testcontainers:spock:1.15.2"
     testImplementation("org.spockframework:spock-core:${spockVersion}") {
         exclude module:'groovy-all'
     }
diff --git a/mqtt-test/build.gradle b/mqtt-test/build.gradle
index 20f69c1f..2e02d5e0 100644
--- a/mqtt-test/build.gradle
+++ b/mqtt-test/build.gradle
@@ -6,5 +6,5 @@ dependencies {
     }
     api "io.micronaut.test:micronaut-test-spock:$micronautTestVersion"
     api project(":mqtt-core")
-    api "org.testcontainers:spock:1.15.1"
+    api "org.testcontainers:spock:1.15.2"
 }