diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 22ab970592..561646a847 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -389,7 +389,9 @@ jobs:
         run: |
           npm install
           sudo apt-get update
-          sudo apt-get -y install libfuse2 desktop-file-utils appstream
+          sudo apt-get -y install wget ffmpeg dconf-gsettings-backend p11-kit-modules libgtk-3-0t64 \
+            libgdk-pixbuf-2.0-0 libasound2t64 libasound2-plugins libegl1 libpulse0 libegl-mesa0 tar \
+            libxcb-dri3-0 libxcb-dri2-0 libxcursor1 libxinerama1 libxcb-glx0 libxcb-icccm4 libpci3 zsync
 
       - name: Download Linux build
         uses: actions/download-artifact@v4
@@ -412,21 +414,76 @@ jobs:
 
           APPDIR=build/AppDir
           tar -xvf *.tar.* && rm -rf *.tar.*
-          mv zen/* $APPDIR/
-          wget "https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-x86_64.AppImage"
-          wget "https://github.com/VHSgunzo/uruntime/releases/latest/download/uruntime-appimage-squashfs-lite-$ARCH"
-          chmod +x *.AppImage
-          chmod +x ./uruntime-appimage-squashfs-lite-"$ARCH"
+          mkdir -p $APPDIR/bin
+          mv zen/* $APPDIR/bin
+
+          # deploy deps so that the appimage can work on musl systems as well as super old distros: 
+          SYSLIBS="/usr/lib/$ARCH-linux-gnu"
+          cd $APPDIR
+          wget "https://github.com/VHSgunzo/sharun/releases/latest/download/sharun-$ARCH-aio" -O ./sharun-aio
+          chmod +x ./sharun-aio
+          ./sharun-aio l -p -v -s -k            \
+            ./bin/zen*                          \
+            ./bin/glxtest                       \
+            ./bin/vaapitest                     \
+            ./bin/pingsender                    \
+            ./bin/lib*                          \
+            "$SYSLIBS"/lib*GL*                  \
+            "$SYSLIBS"/dri/*                    \
+            "$SYSLIBS"/libpci.so*               \
+            "$SYSLIBS"/libxcb-*                 \
+            "$SYSLIBS"/libXcursor.so*           \
+            "$SYSLIBS"/libXinerama*             \
+            "$SYSLIBS"/libwayland*              \
+            "$SYSLIBS"/libnss*                  \
+            "$SYSLIBS"/libsoftokn3.so           \
+            "$SYSLIBS"/libfreeblpriv3.so        \
+            "$SYSLIBS"/libgtk*                  \
+            "$SYSLIBS"/libgdk*                  \
+            "$SYSLIBS"/libcanberra*             \
+            "$SYSLIBS"/gdk-pixbuf-*/*/loaders/* \
+            "$SYSLIBS"/libcloudproviders*       \
+            "$SYSLIBS"/gconv/*                  \
+            "$SYSLIBS"/pkcs11/*                 \
+            "$SYSLIBS"/gvfs/*                   \
+            "$SYSLIBS"/libcanberra*/*           \
+            "$SYSLIBS"/gio/modules/*            \
+            "$SYSLIBS"/pulseaudio/*             \
+            "$SYSLIBS"/alsa-lib/*
+          rm -f ./sharun-aio
+          ./sharun -g
+          # It seems Zen has built in code to load shared libs that bypasses --library-path, this fixes it
+          ln -sr ./lib/lib* ./bin || true
+          cd -
+
+          wget "https://github.com/VHSgunzo/uruntime/releases/latest/download/uruntime-appimage-dwarfs-$ARCH" -O ./uruntime
+
+          chmod +x ./uruntime
           chmod +x ./build/AppDir/AppRun
 
           # keep the uruntime mountpoint (massively speeds up launch time)
-          sed -i 's|URUNTIME_MOUNT=[0-9]|URUNTIME_MOUNT=0|' ./uruntime-appimage-squashfs-lite-"$ARCH"
+          sed -i 's|URUNTIME_MOUNT=[0-9]|URUNTIME_MOUNT=0|' ./uruntime
+
+          # add zsync delta update info
+          ./uruntime --appimage-addupdinfo "$UPINFO"
 
           echo "AppDir: $APPDIR"
           ls -al
           find .
           ls -al "$APPDIR"
-          ./appimagetool-x86_64.AppImage -u "$UPINFO" "$APPDIR" zen-"$ARCH".AppImage --runtime-file ./uruntime-appimage-squashfs-lite-"$ARCH"
+
+          echo "Generating AppImage..."
+          ./uruntime --appimage-mkdwarfs -f      \
+            --set-owner 0 --set-group 0          \
+            --no-history --no-create-timestamp   \
+            --compression zstd:level=22 -S26 -B8 \
+            --header uruntime                    \
+            -i "$APPDIR" -o zen-"$ARCH".AppImage
+
+          # make zsync file
+          echo "Generating zsync file..."
+          zsyncmake ./zen-"$ARCH".AppImage -u ./zen-"$ARCH".AppImage
+
           mkdir dist
           mv zen*AppImage* dist/.
           unset ARCH
diff --git a/build/AppDir/AppRun b/build/AppDir/AppRun
index 105e0801a3..1590d2d910 100644
--- a/build/AppDir/AppRun
+++ b/build/AppDir/AppRun
@@ -1,6 +1,5 @@
 #!/bin/sh
 CURRENTDIR="$(dirname "$(readlink -f "$0")")"
-export PATH="${CURRENTDIR}:${PATH}"
 export MOZ_LEGACY_PROFILES=1          # Prevent per installation profiles
 export MOZ_APP_LAUNCHER="${APPIMAGE}" # Allows setting as default browser
-exec "${CURRENTDIR}/zen" "$@"
+exec "${CURRENTDIR}/bin/zen" "$@"