diff --git a/django/forms/renderers.py b/django/forms/renderers.py
index 19fab493cf9..dcf3d92302a 100644
--- a/django/forms/renderers.py
+++ b/django/forms/renderers.py
@@ -7,12 +7,6 @@ from django.template.loader import get_template
 from django.utils.functional import cached_property
 from django.utils.module_loading import import_string
 
-try:
-    from django.template.backends.jinja2 import Jinja2
-except ImportError:
-    def Jinja2(params):
-        raise ImportError("jinja2 isn't installed")
-
 ROOT = Path(__file__).parent
 
 
@@ -58,7 +52,10 @@ class Jinja2(EngineMixin, BaseRenderer):
     Load Jinja2 templates from the built-in widget templates in
     django/forms/jinja2 and from apps' 'jinja2' directory.
     """
-    backend = Jinja2
+    @cached_property
+    def backend(self):
+        from django.template.backends.jinja2 import Jinja2
+        return Jinja2
 
 
 class TemplatesSetting(BaseRenderer):