QPIDJMS-513: update to proton-j 0.33.6
diff --git a/pom.xml b/pom.xml
index 5f466ee..97c9651 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,7 +36,7 @@
 
   <properties>
     <!-- Dependency Versions for this Project -->
-    <proton-version>0.33.5</proton-version>
+    <proton-version>0.33.6</proton-version>
     <netty-version>4.1.51.Final</netty-version>
     <slf4j-version>1.7.30</slf4j-version>
     <log4j-slf4j-version>2.13.3</log4j-slf4j-version>