diff --git a/install/linux/dangerzone.spec b/install/linux/dangerzone.spec
index 99886e0..40a84c7 100644
--- a/install/linux/dangerzone.spec
+++ b/install/linux/dangerzone.spec
@@ -72,6 +72,7 @@ BuildRequires:  python3-devel
 %if 0%{?_qubes}
 # Qubes-only requirements
 Requires:       python3-magic
+Requires:       python3-pillow
 Requires:       libreoffice
 Requires:       tesseract
 # Explicitly require every tesseract model:
diff --git a/stdeb.cfg b/stdeb.cfg
index cf51d2f..f51ac9c 100644
--- a/stdeb.cfg
+++ b/stdeb.cfg
@@ -1,6 +1,6 @@
 [DEFAULT]
 Package3: dangerzone
-Depends3: podman, python3, python3-pyside2.qtcore, python3-pyside2.qtgui, python3-pyside2.qtwidgets, python3-pyside2.qtsvg, python3-appdirs, python3-click, python3-xdg, python3-colorama, python3-requests, python3-markdown, python3-packaging
+Depends3: podman, python3, python3-pyside2.qtcore, python3-pyside2.qtgui, python3-pyside2.qtwidgets, python3-pyside2.qtsvg, python3-appdirs, python3-click, python3-xdg, python3-colorama, python3-requests, python3-markdown, python3-packaging, python3-pillow
 Build-Depends: dh-python, python3, python3-setuptools, python3-stdeb
 Suite: bionic
 X-Python3-Version: >= 3.6