diff --git a/pyproject.toml b/pyproject.toml
index 8636c9b..2d3765d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,6 +25,7 @@ dependencies = [
   "Django>=1.11",
   "djangorestframework>=3.3.1",
   "djaodjin-deployutils>=0.10.6",
+  "djaodjin-extended-templates>=0.4.5",
   "mammoth>=1.6.0",
   "markdownify>=0.11.6",
   "Markdown>=3.4.1",
diff --git a/testsite/requirements.txt b/testsite/requirements.txt
index 24b228c..9c3ae4e 100644
--- a/testsite/requirements.txt
+++ b/testsite/requirements.txt
@@ -1,8 +1,9 @@
 # djaodjin-pages
 bleach==6.0.0
 Django==3.2.23
-djangorestframework==3.14.0     #  3.12.4 does not support Django4.2
+djangorestframework==3.14.0         #  3.12.4 does not support Django4.2
 djaodjin-deployutils==0.10.7
+djaodjin-extended-templates==0.4.5
 mammoth==1.6.0
 markdownify==0.11.6
 Markdown==3.4.1