diff --git a/.builds/debian.yml b/.builds/debian.yml
index 5a865e0..ee3e060 100644
--- a/.builds/debian.yml
+++ b/.builds/debian.yml
@@ -8,6 +8,8 @@ packages:
   - python3-venv
   - rustc
   - cargo
+  - libffi-dev
+  - libssl-dev
   - libjpeg-dev
   - libpng-dev
   - libfreetype6-dev