diff --git a/PKGBUILD b/PKGBUILD
index d4868df..ace6797 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -9,6 +9,7 @@ depends=(
 	"gunicorn"
 	"python-django"
 	"python-matplotlib"
+	"python-toml"
 )
 makedepends=("git")
 optdepends=("postgresql: database")
diff --git a/nummi/nummi/settings.py b/nummi/nummi/settings.py
index c12bc8a..5181b36 100644
--- a/nummi/nummi/settings.py
+++ b/nummi/nummi/settings.py
@@ -10,16 +10,16 @@ For the full list of settings and their values, see
 https://docs.djangoproject.com/en/4.0/ref/settings/
 """
 
-import tomllib
 import os
 from pathlib import Path
 
+import toml
+
 CONFIG_PATH = os.environ.get("NUMMI_CONFIG", None)
 if CONFIG_PATH is None:
     CONFIG = dict()
 else:
-    with open(CONFIG_PATH, "rb") as CONFIG_FILE:
-        CONFIG = tomllib.load(CONFIG_FILE)
+    CONFIG = toml.load(CONFIG_PATH)
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 MEDIA_CONF = CONFIG.get("media", {})