diff --git a/packages/docusaurus-plugin-content-showcase/src/index.ts b/packages/docusaurus-plugin-content-showcase/src/index.ts
index 54f3e957ce..8602d26f61 100644
--- a/packages/docusaurus-plugin-content-showcase/src/index.ts
+++ b/packages/docusaurus-plugin-content-showcase/src/index.ts
@@ -13,7 +13,7 @@ import {
   Globby,
 } from '@docusaurus/utils';
 import Yaml from 'js-yaml';
-import {validateShowcaseItem} from './validation';
+import {createShowcaseItemSchema, validateShowcaseItem} from './validation';
 import {getTagsList} from './tags';
 import type {LoadContext, Plugin} from '@docusaurus/types';
 import type {
@@ -28,10 +28,10 @@ export function getContentPathList(
   return [contentPaths.contentPathLocalized, contentPaths.contentPath];
 }
 
-export default function pluginContentShowcase(
+export default async function pluginContentShowcase(
   context: LoadContext,
   options: PluginOptions,
-): Plugin<ShowcaseItems | null> {
+): Promise<Plugin<ShowcaseItems | null>> {
   const {siteDir, localizationDir} = context;
   // todo check for better naming of path: sitePath
   const {include, exclude, tags, routeBasePath, path: sitePath} = options;
@@ -45,6 +45,13 @@ export default function pluginContentShowcase(
     }),
   };
 
+  const tagList = await getTagsList({
+    configTags: tags,
+    configPath: contentPaths.contentPath,
+  });
+
+  const showcaseItemSchema = createShowcaseItemSchema(tagList);
+
   return {
     name: 'docusaurus-plugin-content-showcase',
 
@@ -68,11 +75,6 @@ export default function pluginContentShowcase(
         ignore: [...exclude],
       });
 
-      const tagList = await getTagsList({
-        configTags: tags,
-        configPath: contentPaths.contentPath,
-      });
-
       async function processShowcaseSourceFile(relativeSource: string) {
         // Lookup in localized folder in priority
         const contentPath = await getFolderContainingFile(
@@ -85,7 +87,7 @@ export default function pluginContentShowcase(
         const item = Yaml.load(data);
         const showcaseItem = validateShowcaseItem({
           item,
-          tags: tagList,
+          showcaseItemSchema,
         });
 
         return showcaseItem;
diff --git a/packages/docusaurus-plugin-content-showcase/src/validation.ts b/packages/docusaurus-plugin-content-showcase/src/validation.ts
index 4ad8ed42d5..58b8ef172e 100644
--- a/packages/docusaurus-plugin-content-showcase/src/validation.ts
+++ b/packages/docusaurus-plugin-content-showcase/src/validation.ts
@@ -9,7 +9,7 @@ import {Joi, validateFrontMatter} from '@docusaurus/utils-validation';
 import {createTagSchema} from './tags';
 import type {ShowcaseItem} from '@docusaurus/plugin-content-showcase';
 
-const createShowcaseItemSchema = (tags: string[]) => {
+export const createShowcaseItemSchema = (tags: string[]): Joi.ObjectSchema => {
   const tagsSchema = createTagSchema(tags);
 
   return Joi.object({
@@ -24,12 +24,10 @@ const createShowcaseItemSchema = (tags: string[]) => {
 
 export function validateShowcaseItem({
   item,
-  tags,
+  showcaseItemSchema,
 }: {
   item: unknown;
-  tags: string[];
+  showcaseItemSchema: Joi.ObjectSchema;
 }): ShowcaseItem {
-  const showcaseItemSchema = createShowcaseItemSchema(tags);
-
   return validateFrontMatter(item, showcaseItemSchema);
 }