diff --git a/.github/workflows/appimage/Dockerfile b/.github/workflows/appimage/Dockerfile
index ccead2f..829f62a 100644
--- a/.github/workflows/appimage/Dockerfile
+++ b/.github/workflows/appimage/Dockerfile
@@ -16,7 +16,7 @@ RUN apt-get update -q -y \
     rm appimagetool-x86_64.AppImage && \
     cd - && \
     # Install appimage-builder.
-    pip3 install git+https://github.com/AppImageCrafters/appimage-builder.git && \
+    pip3 install git+https://github.com/AppImageCrafters/appimage-builder.git@master && \
     apt-get clean && \
         rm -rf /var/lib/apt/lists/*
 
diff --git a/pkg/appimage/appimage-amd64.yml b/pkg/appimage/appimage-amd64.yml
index e23c94f..f333351 100644
--- a/pkg/appimage/appimage-amd64.yml
+++ b/pkg/appimage/appimage-amd64.yml
@@ -19,6 +19,7 @@ AppDir:
   runtime:
     env:
       APPDIR_LIBRARY_PATH: $APPDIR/lib/x86_64-linux-gnu:$APPDIR/usr/lib/x86_64-linux-gnu
+      QTWEBENGINE_DISABLE_SANDBOX: 1
 
   apt:
     arch: amd64
@@ -41,6 +42,8 @@ AppDir:
       # Other dependencies.
       - libsqlite3-0
       - libarchive13
+      - libfontconfig1
+      - libfreetype6
     exclude:
       - "*dbgsym*"
       - gnupg