diff --git a/doc/dependencies.md b/doc/dependencies.md
index c6c142251d..ed1ffedcd0 100644
--- a/doc/dependencies.md
+++ b/doc/dependencies.md
@@ -1,31 +1,49 @@
 Dependencies
 ============
 
 These are the dependencies currently used by Bitcoin ABC. You can find instructions for installing them in the `build-*.md` file for your platform.
 
 | Dependency | Version used | Minimum required | CVEs | Shared | [Bundled Qt library](https://doc.qt.io/qt-5/configure-options.html) |
 | --- | --- | --- | --- | --- | --- |
 | Berkeley DB | [5.3.28](http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/downloads/index.html) | 5.3 | No |  |  |
 | Boost | [1.70.0](https://www.boost.org/users/download/) | 1.58.0 | No |  |  |
 | Clang |  | [3.4](http://llvm.org/releases/download.html) (C++14 support) |  |  |  |
 | CMake |  | [3.13](https://cmake.org/download/) |  |  |  |
 | Expat | [2.2.7](https://libexpat.github.io/) |  | No | Yes |  |
 | fontconfig | [2.12.6](https://www.freedesktop.org/software/fontconfig/release/) |  | No | Yes |  |
 | FreeType | [2.7.1](http://download.savannah.gnu.org/releases/freetype) |  | No |  |  |
 | GCC |  | [5.0](https://gcc.gnu.org/) (C++14 support) |  |  |  |
 | HarfBuzz-NG |  |  |  |  |  |
 | libevent | [2.1.8-stable](https://github.com/libevent/libevent/releases) | 2.0.22 | No |  |  |
 | libjpeg |  |  |  |  | Yes |
 | libpng |  |  |  |  | Yes |
+| libsrvg | |  |  |  |  |
 | MiniUPnPc | [2.0.20180203](http://miniupnp.free.fr/files) | 1.5 | No |  |  |
 | Ninja |  | [1.5.1](https://github.com/ninja-build/ninja/releases) |  |  |  |
 | OpenSSL | [1.0.1k](https://www.openssl.org/source) |  | Yes |  |  |
 | PCRE |  |  |  |  | Yes |
 | protobuf | [2.6.1](https://github.com/google/protobuf/releases) |  | No |  |  |
 | Python (tests) |  | [3.5](https://www.python.org/downloads) |  |  |  |
 | qrencode | [3.4.4](https://fukuchi.org/works/qrencode) |  | No |  |  |
 | Qt | [5.9.7](https://download.qt.io/official_releases/qt/) | 5.5.1 | No |  |  |
 | XCB |  |  |  |  | Yes (Linux only) |
 | xkbcommon |  |  |  |  | Yes (Linux only) |
 | ZeroMQ | [4.3.1](https://github.com/zeromq/libzmq/releases) | 4.1.5 | No |  |  |
 | zlib | [1.2.11](http://zlib.net/) |  |  |  | No |
+
+Controlling dependencies
+------------------------
+Some dependencies are not needed in all configurations. The following are some
+factors that affect the dependency list.
+
+#### Options passed to `cmake`
+* MiniUPnPc is not needed with  `-DENABLE_UPNP=OFF`.
+* Berkeley DB is not needed with `-DBUILD_BITCOIN_WALLET=OFF`.
+* protobuf is not needed with `-DENABLE_BIP70=OFF`.
+* Qt is not needed with `-DBUILD_BITCOIN_QT=OFF`.
+* qrencode is not needed with `-DENABLE_QRCODE=OFF`.
+* ZeroMQ is not needed with the `-DBUILD_BITCOIN_ZMQ=OFF`.
+
+#### Other
+* librsvg is only needed if you need to run `ninja osx-dmg` on
+  (cross-compilation to) macOS.