diff --git a/indigo/settings.py b/indigo/settings.py
index b341f21c4..e0aa74651 100644
--- a/indigo/settings.py
+++ b/indigo/settings.py
@@ -64,7 +64,7 @@
     'allauth.socialaccount',
     # installations should include social account providers, such as
     # allauth.socialaccount.providers.google
-    'captcha',
+    'django_recaptcha',
 
     'django.contrib.sites',
     'django.contrib.admin',
@@ -433,7 +433,7 @@
 RECAPTCHA_PRIVATE_KEY = os.environ.get('RECAPTCHA_PRIVATE_KEY', '6LeIxAcTAAAAAGG-vFI1TnRWxMZNFuojJ4WifJWe')
 if DEBUG:
     # don't complain about the test keys
-    SILENCED_SYSTEM_CHECKS = ['captcha.recaptcha_test_key_error']
+    SILENCED_SYSTEM_CHECKS = ['django_recaptcha.recaptcha_test_key_error']
 
 
 DATA_UPLOAD_MAX_NUMBER_FIELDS = 10000
diff --git a/indigo_app/forms/users.py b/indigo_app/forms/users.py
index 9cf3b575f..1c355e902 100644
--- a/indigo_app/forms/users.py
+++ b/indigo_app/forms/users.py
@@ -1,5 +1,5 @@
 from allauth.account.forms import SignupForm
-from captcha.fields import ReCaptchaField
+from django_recaptcha.fields import ReCaptchaField
 from django import forms
 from django.conf import settings
 from django.utils.translation import gettext_lazy as _
diff --git a/pyproject.toml b/pyproject.toml
index 7d5de9b33..88213aa89 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ dependencies = [
     "django-htmx>=1.15.0",
     "django-languages-plus>=1.1.1",
     "django-pipeline>=1.6.11,<3.1.0",
-    "django-recaptcha>=3.0.0,<4.0.0",
+    "django-recaptcha>=4.0.0",
     "django-reversion>=3.0.9",
     "django-sass-processor>=1.1",
     "django-sass-processor-dart-sass>=0.0.1",