diff --git a/DEVELOPING.md b/DEVELOPING.md
index d22f4e9..960a1f6 100644
--- a/DEVELOPING.md
+++ b/DEVELOPING.md
@@ -8,6 +8,7 @@
 1. Make sure the `master` branch is up to date, then make yourself a new branch with a descriptive name.
 1. Once the forked repo is cloned and on the proper branch, you can set up the development environment.
     1. Install python 3.9 or higher.
+    1. Install `libcairo` and `libjpeg`. Package names may vary by distro or OS.
     1. Run `make dev-install`.
        This should install everything you need to develop and run qrm.
     1. [Create a bot and token][2], and add it to `data/keys.py`.