diff --git a/django/core/validators.py b/django/core/validators.py
index a4e33637bc..1f70192838 100644
--- a/django/core/validators.py
+++ b/django/core/validators.py
@@ -23,7 +23,7 @@ integer_re = re.compile(r'^-?\d+$')
 ip4_re = re.compile(r'^(25[0-5]|2[0-4]\d|[0-1]?\d?\d)(\.(25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}$')
 phone_re = re.compile(r'^[A-PR-Y0-9]{3}-[A-PR-Y0-9]{3}-[A-PR-Y0-9]{4}$', re.IGNORECASE)
 slug_re = re.compile(r'^[-\w]+$')
-url_re = re.compile(r'^http://\S+$')
+url_re = re.compile(r'^https?://\S+$')
 
 from django.conf.settings import JING_PATH
 from django.utils.translation import gettext_lazy, ngettext