diff --git a/.gitignore b/.gitignore
index 91bbe6a..67f5549 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 *.deb
+*.flatpak
 build/
+repo/
 .flatpak-builder/
diff --git a/README.md b/README.md
index 2d32604..6033502 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,8 @@ This is currently based on Packet Tracer 8.2.1 and is intended to track the late
 3. Install Flatpak runtime dependencies.
 
     ```bash
+    flatpak-builder --install-deps-from=flathub --install-deps-only build com.cisco.PacketTracer.yml
+    # or
     flatpak install \
         org.kde.Sdk/x86_64/5.15-22.08 \
         io.qt.qtwebengine.BaseApp/x86_64/5.15-22.08
diff --git a/com.cisco.PacketTracer.yml b/com.cisco.PacketTracer.yml
index f58858a..24453db 100644
--- a/com.cisco.PacketTracer.yml
+++ b/com.cisco.PacketTracer.yml
@@ -1,9 +1,9 @@
 app-id: com.cisco.PacketTracer
 runtime: org.kde.Platform
-runtime-version: '5.15-22.08'
+runtime-version: '6.8'
 sdk: org.kde.Sdk
 base: io.qt.qtwebengine.BaseApp
-base-version: '5.15-22.08'
+base-version: '6.8'
 command: /app/pt/packettracer
 separate-locales: false
 
@@ -11,14 +11,19 @@ tags:
     - proprietary
 
 finish-args:
-  - --share=ipc
-  - --share=network
+  # - --share=ipc
+  # - --share=network
   - --socket=x11
-  - --socket=pulseaudio
+  # - --socket=pulseaudio
   - --device=dri
-  - --filesystem=xdg-download
+  # - --filesystem=xdg-download
   - --persist=.
   - --env=TZ=
+  - --nofilesystem=xdg-config/kdeglobals
+  - --no-talk-name=com.canonical.AppMenu.Registrar
+  - --no-talk-name=org.kde.kconfig.notify
+  - --no-talk-name=org.kde.kdeconnect
+  - --no-talk-name=org.kde.KGlobalSettings
 
 modules:
   - name: packettracer
@@ -35,6 +40,7 @@ modules:
       - install -D com.cisco.PacketTracer.png /app/share/icons/hicolor/128x128/apps/com.cisco.PacketTracer.png
       - install -D com.cisco.PacketTracer.desktop /app/share/applications/com.cisco.PacketTracer.desktop
       - install -D com.cisco.PacketTracer.url.desktop /app/share/applications/com.cisco.PacketTracer.url.desktop
+      - patch /app/pt/packettracer packettracer.patch
       - sed -i -e 's\/opt/\/app/\g' /app/pt/packettracer /app/pt/linguist
       - sed -i -e 's\"$@"\-style windows "$@"\;' /app/pt/packettracer /app/pt/linguist
 
@@ -42,6 +48,8 @@ modules:
       - type: file
         path: Packet_Tracer822_amd64_signed.deb
         sha256: 6cd2b8891df92d2cad8b6fdc47480fc089de085c4f3fe95eb80d5450a2a7f72d
+      - type: file
+        path: packettracer.patch
       - type: file
         path: com.cisco.PacketTracer.appdata.xml
       - type: file
diff --git a/packettracer.patch b/packettracer.patch
new file mode 100644
index 0000000..71e95f9
--- /dev/null
+++ b/packettracer.patch
@@ -0,0 +1,7 @@
+@@ -5,5 +5,5 @@
+ PTDIR=/opt/pt
+ export LD_LIBRARY_PATH=/opt/pt/bin
+ pushd /opt/pt/bin > /dev/null
+-./PacketTracer "$@" > /dev/null 2>&1
++./PacketTracer "$@"
+ popd > /dev/null