diff --git a/wagtail/wagtailembeds/templatetags/wagtailembeds_tags.py b/wagtail/wagtailembeds/templatetags/wagtailembeds_tags.py
index 6f81c126c..219a65366 100644
--- a/wagtail/wagtailembeds/templatetags/wagtailembeds_tags.py
+++ b/wagtail/wagtailembeds/templatetags/wagtailembeds_tags.py
@@ -5,7 +5,7 @@ import warnings
 from django import template
 from django.utils.safestring import mark_safe
 
-from wagtail.utils.deprecation import RemovedInWagtail18Warning
+from wagtail.utils.deprecation import RemovedInWagtail19Warning
 from wagtail.wagtailembeds import embeds
 from wagtail.wagtailembeds.exceptions import EmbedException
 
@@ -17,7 +17,7 @@ def embed(url, max_width=None):
     warnings.warn(
         "The embed filter has been converted to a template tag. "
         "Use {% embed my_embed_url %} instead.",
-        category=RemovedInWagtail18Warning, stacklevel=2
+        category=RemovedInWagtail19Warning, stacklevel=2
     )
 
     return embed_tag(url, max_width)