diff --git a/core/modules/taxonomy/taxonomy.libraries.yml b/core/modules/taxonomy/taxonomy.libraries.yml
index 3a7904f..1119cf1 100644
--- a/core/modules/taxonomy/taxonomy.libraries.yml
+++ b/core/modules/taxonomy/taxonomy.libraries.yml
@@ -2,9 +2,6 @@ drupal.taxonomy:
   version: VERSION
   js:
     taxonomy.js: {}
-  css:
-    component:
-      css/taxonomy.theme.css: {}
   dependencies:
     - core/jquery
     - core/drupal
diff --git a/core/themes/classy/classy.libraries.yml b/core/themes/classy/classy.libraries.yml
index a5bde77..23a5110 100644
--- a/core/themes/classy/classy.libraries.yml
+++ b/core/themes/classy/classy.libraries.yml
@@ -21,3 +21,10 @@ search.results:
   css:
     theme:
       css/search/search.theme.css: {}
+    component:
+      css/taxonomy/taxonomy.theme.css: {}
+
+drupal.taxonomy:
+  css:
+    theme:
+      css/taxonomy/taxonomy.theme.css: {}
diff --git a/core/themes/classy/classy.theme b/core/themes/classy/classy.theme
new file mode 100644
index 0000000..ec93fa5
--- /dev/null
+++ b/core/themes/classy/classy.theme
@@ -0,0 +1,15 @@
+<?php
+
+/**
+ * @file
+ * Functions to support theming in the Classy theme.
+ */
+
+/**
+ * Implements hook_library_info_alter().
+ */
+function classy_library_info_alter(&$libraries, $extension) {
+  if ($extension == 'taxonomy' && isset($libraries['drupal.taxonomy'])) {
+    $libraries['drupal.taxonomy']['dependencies'][] = 'classy/drupal.taxonomy';
+  }
+}
diff --git a/core/modules/taxonomy/css/taxonomy.theme.css b/core/themes/classy/css/taxonomy/taxonomy.theme.css
similarity index 100%
rename from core/modules/taxonomy/css/taxonomy.theme.css
rename to core/themes/classy/css/taxonomy/taxonomy.theme.css
diff --git a/core/themes/classy/templates/content/taxonomy-term.html.twig b/core/themes/classy/templates/content/taxonomy-term.html.twig
index 7e0446e..9fcea9a 100644
--- a/core/themes/classy/templates/content/taxonomy-term.html.twig
+++ b/core/themes/classy/templates/content/taxonomy-term.html.twig
@@ -23,6 +23,7 @@
  * @see template_preprocess_taxonomy_term()
  */
 #}
+{{ attach_library('classy/drupal.taxonomy') }}
 {%
   set classes = [
     'taxonomy-term',