- debhelper-compat (= 13)
- gettext
- gobject-introspection
- gperf
- gtk-doc-tools
- itstool
- libcairo2-dev
- libcurl4-gnutls-dev (>= 7.62) | libcurl-dev (>= 7.62)
- libfontconfig-dev
- libgdk-pixbuf-2.0-dev
- libgirepository1.0-dev (>= 1.62)
- libglib2.0-dev (>= 2.62)
- libjs-highlight.js
- libpango1.0-dev
- librsvg2-dev (>= 2.48) [amd64 arm64 armel armhf i386 mips64el mipsel ppc64el s390x powerpc ppc64 riscv64 sparc64 x32]
- libstemmer-dev
- libxml2-dev (>= 2.8.0)
- libxmlb-dev (>= 0.3.6)
- libyaml-dev (>= 0.1.6)
- meson (>= 0.56)
- qtbase5-dev (>= 5.6)
- valac