diff --git a/aleksis/core/settings.py b/aleksis/core/settings.py
index e92f3f847e5c1c9361f7803ca2c0ad2f4528b3a3..ccaac806eaff246d911ecf4146bad37747fc87c2 100644
--- a/aleksis/core/settings.py
+++ b/aleksis/core/settings.py
@@ -54,6 +54,7 @@ INSTALLED_APPS = [
     "sass_processor",
     "easyaudit",
     "constance",
+    "constance.backends.database",
     "django_any_js",
     "django_yarnpkg",
     "django_tables2",
@@ -251,7 +252,7 @@ ANY_JS = {
 SASS_PROCESSOR_AUTO_INCLUDE = False
 SASS_PROCESSOR_CUSTOM_FUNCTIONS = {
     "get-colour": "aleksis.core.util.sass_helpers.get_colour",
-    "get-setting": "aleksis.core.util.sass_helpers.get_setting",
+    "get-config": "aleksis.core.util.sass_helpers.get_config",
 }
 SASS_PROCESSOR_INCLUDE_DIRS = [_settings.get("materialize.sass_path", JS_ROOT + "/materialize-css/sass/"), STATIC_ROOT]
 
@@ -274,15 +275,17 @@ TEMPLATE_VISIBLE_SETTINGS = ["ADMINS", "DEBUG"]
 
 CONSTANCE_BACKEND = 'constance.backends.database.DatabaseBackend'
 CONSTANCE_ADDITIONAL_FIELDS = {
-    "image_field": ["django.forms.ImageField", {}]
+    "image_field": ["django.forms.ImageField", {}],
+    "email_field": ["django.forms.EmailField", {}],
+    "url_field": ["django.forms.URLField", {}],
 }
 CONSTANCE_CONFIG = {
     "COLOUR_PRIMARY": ("#007bff", _("Primary colour")),
     "COLOUR_SECONDARY": ("#007bff", _("Secondary colour")),
     "MAIL_OUT_NAME": ("AlekSIS", _("Mail out name")),
-    "MAIL_OUT": ("aleksis@example.com", _("Mail out address")),
-    "PRIVACY_URL": ("", _("Link to privacy policy")),
-    "IMPRINT_URL": ("", _("Link to imprint")),
+    "MAIL_OUT": ("aleksis@example.com", _("Mail out address"), "email_field"),
+    "PRIVACY_URL": ("", _("Link to privacy policy"), "url_field"),
+    "IMPRINT_URL": ("", _("Link to imprint"), "url_field"),
 }
 CONSTANCE_CONFIG_FIELDSETS = {
     "Theme settings": ("COLOUR_PRIMARY", "COLOUR_SECONDARY"),
diff --git a/aleksis/core/static/theme.scss b/aleksis/core/static/theme.scss
index 18b344169fe115d9175d8ac76df80d7dc9c178ae..36d3e3f55a0e37595f3dcc27230947875cd2648b 100644
--- a/aleksis/core/static/theme.scss
+++ b/aleksis/core/static/theme.scss
@@ -34,11 +34,11 @@
 // 1. Colors
 // ==========================================================================
 
-$primary-color: adjust-color(get-colour(get-setting(COLOUR_PRIMARY)), $alpha: 1);
+$primary-color: adjust-color(get-colour(get-config(COLOUR_PRIMARY)), $alpha: 1);
 $primary-color-light: lighten($primary-color, 15%) !default;
 $primary-color-dark: darken($primary-color, 15%) !default;
 
-$secondary-color: adjust-color(get-colour(get-setting(COLOUR_SECONDARY)), $alpha: 1);
+$secondary-color: adjust-color(get-colour(get-config(COLOUR_SECONDARY)), $alpha: 1);
 $success-color: color("green", "base") !default;
 $error-color: color("red", "base") !default;
 $link-color: color("light-blue", "darken-1") !default;
diff --git a/aleksis/core/util/sass_helpers.py b/aleksis/core/util/sass_helpers.py
index 7c86f6337dc8d8dfaa89eb958737a3bf9a16c64f..a439a22f93446bad6762ec0a2b34a717bdd19cac 100644
--- a/aleksis/core/util/sass_helpers.py
+++ b/aleksis/core/util/sass_helpers.py
@@ -12,5 +12,5 @@ def get_colour(html_colour: str) -> SassColor:
     return SassColor(r, g, b, 255)
 
 
-def get_setting(setting: str) -> str:
+def get_config(setting: str) -> str:
     return getattr(config, setting, "") or getattr(settings, setting, "")
diff --git a/poetry.lock b/poetry.lock
index 9d000b9d8897277815c951e71190cd424cd8328e..f5c1485c4089a5b1fa46709e3926fa1b46189405 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -266,8 +266,6 @@ python-versions = "*"
 version = "2.5.0"
 
 [package.dependencies]
-six = "*"
-
 [package.dependencies.django-picklefield]
 optional = true
 version = "*"
@@ -276,6 +274,10 @@ version = "*"
 database = ["django-picklefield"]
 redis = ["redis"]
 
+[package.source]
+reference = "590fa02eb30e377da0eda5cc3a84254b839176a7"
+type = "git"
+url = "https://github.com/jazzband/django-constance"
 [[package]]
 category = "main"
 description = "A configurable set of panels that display various debug information about the current request/response."
@@ -430,6 +432,10 @@ version = "3.0.1"
 Django = ">=1.11.3"
 babel = "*"
 
+[package.dependencies.phonenumbers]
+optional = true
+version = ">=7.0.2"
+
 [package.extras]
 phonenumbers = ["phonenumbers (>=7.0.2)"]
 phonenumberslite = ["phonenumberslite (>=7.0.2)"]
@@ -1671,7 +1677,7 @@ testing = ["pathlib2", "contextlib2", "unittest2"]
 ldap = ["django-auth-ldap"]
 
 [metadata]
-content-hash = "bca26513f4520039661e719a675e767eef8a19273d1430cd0810ea8a10ea40da"
+content-hash = "98fb74e38bacbbf64bd0919e01f0807bf1bb5fafb78056384ca84bf14f6aaad3"
 python-versions = "^3.7"
 
 [metadata.files]
@@ -1795,10 +1801,7 @@ django-bulk-update = [
     {file = "django-bulk-update-2.2.0.tar.gz", hash = "sha256:5ab7ce8a65eac26d19143cc189c0f041d5c03b9d1b290ca240dc4f3d6aaeb337"},
     {file = "django_bulk_update-2.2.0-py2.py3-none-any.whl", hash = "sha256:49a403392ae05ea872494d74fb3dfa3515f8df5c07cc277c3dc94724c0ee6985"},
 ]
-django-constance = [
-    {file = "django-constance-2.5.0.tar.gz", hash = "sha256:c47db4abd5788584115db681c0e8fef8ff870d49af90aa359076f0833a537199"},
-    {file = "django_constance-2.5.0-py2.py3-none-any.whl", hash = "sha256:1b536d153c168ef548fea5bdcdea84afab83892e2163ec4e896557a3139effd7"},
-]
+django-constance = []
 django-debug-toolbar = [
     {file = "django-debug-toolbar-2.1.tar.gz", hash = "sha256:24c157bc6c0e1648e0a6587511ecb1b007a00a354ce716950bff2de12693e7a8"},
     {file = "django_debug_toolbar-2.1-py3-none-any.whl", hash = "sha256:77cfba1d6e91b9bc3d36dc7dc74a9bb80be351948db5f880f2562a0cbf20b6c5"},
diff --git a/pyproject.toml b/pyproject.toml
index 03bf5cdc77f266f408b761cf8acba90e32d8cf99..15f4716bb42aaaf793586ec572d5998c50867217 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ django-two-factor-auth = { version = "^1.10.0", extras = [ "YubiKey", "phonenumb
 django-yarnpkg = "^6.0"
 django-material = "^1.6.0"
 django-pwa = "^1.0.6"
-django-constance = {version = "^2.5.0", extras = ["database"]}
+django-constance = {git = "https://github.com/jazzband/django-constance", rev = "590fa02eb30e377da0eda5cc3a84254b839176a7", extras = ["database"]}
 
 [tool.poetry.extras]
 ldap = ["django-auth-ldap"]