diff --git a/scripts/_common.sh b/scripts/_common.sh
index 7a9038d..1254db4 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -6,7 +6,7 @@
 
 # dependencies used by the app
 # HACK zlib1g-dev libjpeg-dev (libwebp-dev optional but necessary for stickers) are necessary to compile / install pillow
-pkg_dependencies="postgresql python3 zlib1g-dev libjpeg-dev libwebp-dev python3-venv libpq-dev"
+pkg_dependencies="postgresql python3 zlib1g-dev libjpeg-dev libwebp-dev python3-venv libpq-dev libffi-dev"
 
 #=================================================
 # PERSONAL HELPERS