diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 6988594..420ff05 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -4,7 +4,7 @@ jetbrains-annotations = "26.0.2"
 junit-jupiter = "5.10.2"
 logback = "1.5.18"
 mockito = "5.18.0"
-testcontainers = "1.21.1"
+testcontainers = "1.21.2"
 
 [libraries]
 hivemq-mqttClient = { module = "com.hivemq:hivemq-mqtt-client", version.ref = "hivemq-mqttClient" }