diff --git a/manifest.toml b/manifest.toml
index 77b901b..edaeb09 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -68,7 +68,7 @@ ram.runtime = "50M"
     main.allowed = "visitors"
 
     [resources.apt]
-    packages = "gunicorn, python3, python3-venv, libpq-dev, libsasl2-dev, libjpeg-dev, libxml2-dev, libxslt1-dev, libpango1.0-0, postgresql, postgresql-contrib, postgresql-server-dev-13"
+    packages = "gunicorn, python3, python3-venv, libpq-dev, libsasl2-dev, libjpeg-dev, libxml2-dev, libxslt1-dev, libpango1.0-0, postgresql, postgresql-contrib, postgresql-server-dev"
 
     [resources.database]
     type = "postgresql"