diff --git a/build.gradle.kts b/build.gradle.kts
index e091d81..99c346c 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -52,7 +52,7 @@ val jsonPathVersion = "2.7.0"
 val pulsarVersion = "2.10.2"
 val kafkaVersion = "3.2.3"
 val mqttVersion = "1.2.5"
-val protonj2Version = "1.0.0-M11"
+val protonj2Version = "1.0.0-M13"
 val log4jVersion = "2.19.0"
 val sdkVersion = "3.1.15"
 val sshdVersion = "2.9.2"