diff --git a/lib/html_sanitize_ex/scrubber/html5.ex b/lib/html_sanitize_ex/scrubber/html5.ex
index fb1e3a0..eb45fa6 100644
--- a/lib/html_sanitize_ex/scrubber/html5.ex
+++ b/lib/html_sanitize_ex/scrubber/html5.ex
@@ -278,6 +278,35 @@ defmodule HtmlSanitizeEx.Scrubber.HTML5 do
     "translate"
   ])
 
+  Meta.allow_tag_with_these_attributes("details", [
+    "accesskey",
+    "autocapitalize",
+    "autofocus",
+    "class",
+    "contenteditable",
+    "dir",
+    "draggable",
+    "hidden",
+    "id",
+    "inert",
+    "inputmode",
+    "is",
+    "itemid",
+    "itemprop",
+    "itemref",
+    "itemscope",
+    "itemtype",
+    "lang",
+    "name",
+    "open",
+    "slot",
+    "spellcheck",
+    "style",
+    "tabindex",
+    "title",
+    "translate"
+  ])
+
   Meta.allow_tag_with_these_attributes("div", [
     "accesskey",
     "class",
diff --git a/test/html5_test.exs b/test/html5_test.exs
index 9bd9662..c3f69c3 100644
--- a/test/html5_test.exs
+++ b/test/html5_test.exs
@@ -125,6 +125,17 @@ defmodule HtmlSanitizeExScrubberHTML5Test do
     assert input == full_html_sanitize(input)
   end
 
+  test "does not strip details" do
+    input = """
+    <details name="foo" class="bar" open="open">
+      <summary>Details</summary>
+      Something small enough to escape casual notice.
+    </details>
+    """
+
+    assert input == full_html_sanitize(input)
+  end
+
   test "make sure a very long URI is truncated before capturing URI scheme" do
     input =
       "<img src='#{File.read!(Path.join(__DIR__, "html5_test_data_uri"))}'>"