diff --git a/acme/build.gradle b/acme/build.gradle
index 6a9c4f8b..0cc05eea 100644
--- a/acme/build.gradle
+++ b/acme/build.gradle
@@ -22,7 +22,7 @@ dependencies {
 
     implementation "io.netty:netty-tcnative-boringssl-static:$tcnativeBoringsslStatic"
 
-    testImplementation "org.testcontainers:spock:1.15.3"
+    testImplementation "org.testcontainers:spock:1.16.2"
     testImplementation("io.micronaut:micronaut-http-client")
     testImplementation("org.codehaus.groovy:groovy-dateutil:$groovyVersion")
     testImplementation("org.codehaus.groovy:groovy-json:$groovyVersion")