diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 64d10a1..c8c7403 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ['3.12']
-        django-version: ['4.2', '5.0', 'dev']
+        django-version: ['4.2', '5.0', '5.1', 'dev']
 
     services:
       mysql:
diff --git a/edc_adverse_event/templatetags/edc_adverse_event_extras.py b/edc_adverse_event/templatetags/edc_adverse_event_extras.py
index 5c212fe..d7f1160 100644
--- a/edc_adverse_event/templatetags/edc_adverse_event_extras.py
+++ b/edc_adverse_event/templatetags/edc_adverse_event_extras.py
@@ -15,7 +15,7 @@
 from edc_constants.constants import CLOSED, OPEN, OTHER, YES
 from edc_dashboard.utils import get_bootstrap_version
 from edc_model_admin.utils import add_to_messages_once
-from edc_utils import get_utcnow
+from edc_utils import escape_braces, get_utcnow
 
 from ..constants import AE_WITHDRAWN, TMG_ROLE
 from ..utils import get_adverse_event_app_label, get_ae_model, has_valid_tmg_perms
@@ -53,10 +53,6 @@ def wrapx(text: str, length: int) -> str:
     return text
 
 
-def escape_braces(text: str) -> str:
-    return text.replace("{", "{{").replace("}", "}}")
-
-
 def select_ae_template(relative_path):
     """Returns a template object."""
     local_path = f"{get_adverse_event_app_label()}/bootstrap{get_bootstrap_version()}/"
diff --git a/pyproject.toml b/pyproject.toml
index de1702a..513ee47 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ exclude_lines = [
 legacy_tox_ini = """
 [tox]
 envlist =
-    py{312}-dj{42,50,dev},
+    py{312}-dj{42,50,51,dev},
     lint
 
 isolated_build = true
@@ -48,6 +48,7 @@ python =
 DJANGO =
     4.2: dj42
     5.0: dj50
+    5.1: dj51
     dev: djdev, lint
 
 [testenv]
@@ -57,7 +58,8 @@ deps =
     -r https://raw.githubusercontent.com/clinicedc/edc/develop/requirements.tests/edc.txt
     -r https://raw.githubusercontent.com/clinicedc/edc/develop/requirements.tests/third_party_dev.txt
     dj42: Django>=4.2,<5.0
-    dj50: Django>=5.0
+    dj50: Django>=5.0,<5.1
+    dj51: Django>=5.1
     djdev: https://github.com/django/django/tarball/main
 
 commands =