diff --git a/manifest.toml b/manifest.toml
index a7a5ff2..96ae998 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -80,7 +80,7 @@ ram.runtime = "350M"
     main.default = 8095
 
     [resources.apt]
-    packages = "python3, python3-pip, python3-dev, python3-venv, fonts-liberation, imagemagick, gnupg, libpq-dev, libmagic-dev, mime-support, libzbar0, poppler-utils, postgresql, postgresql-contrib, unpaper, ghostscript, icc-profiles-free, qpdf, liblept5, libxml2, pngquant, zlib1g, tesseract-ocr, libatlas-base-dev, libxslt1-dev, redis-server"
+    packages = "python3, python3-pip, python3-dev, python3-venv, fonts-liberation, imagemagick, gnupg, libpq-dev, libmagic-dev, mime-support, libzbar0, poppler-utils, postgresql, postgresql-contrib, unpaper, ghostscript, icc-profiles-free, qpdf, liblept5, libxml2, pngquant, zlib1g, tesseract-ocr, libatlas-base-dev, libxslt1-dev, redis-server, pkg-config"
 
     [resources.database]
     type = "postgresql"