diff --git a/.github/workflows/deb-packaging.yml b/.github/workflows/deb-packaging.yml
index 77b318c8..2a4fbfaa 100644
--- a/.github/workflows/deb-packaging.yml
+++ b/.github/workflows/deb-packaging.yml
@@ -34,6 +34,7 @@ jobs:
           cp -R Build/deb-meta/* packaging/
           chmod 755 packaging/DEBIAN/postinst
           chmod 755 packaging/DEBIAN/postrm
+          chmod 755 packaging/DEBIAN/prerm
 
       - name: Move artifacts to packaging directory
         run: cp -R Source/MQTTnet.Server/bin/Release/net5.0/linux-x64/publish/* packaging/opt/MQTTnetServer
diff --git a/Build/deb-meta/DEBIAN/prerm b/Build/deb-meta/DEBIAN/prerm
new file mode 100644
index 00000000..4afcd3b4
--- /dev/null
+++ b/Build/deb-meta/DEBIAN/prerm
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+BASEPATH=/opt
+INSTALLPATH=$BASEPATH/MQTTnetServer
+
+# Remove permission to open ports
+setcap CAP_NET_BIND_SERVICE=-eip $INSTALLPATH/MQTTnet.Server
\ No newline at end of file