diff --git a/__fixtures__/default/expected.jsx b/fixtures/default/expected.jsx
similarity index 100%
rename from __fixtures__/default/expected.jsx
rename to fixtures/default/expected.jsx
diff --git a/__fixtures__/default/input.md b/fixtures/default/input.md
similarity index 100%
rename from __fixtures__/default/input.md
rename to fixtures/default/input.md
diff --git a/__fixtures__/default/options.json b/fixtures/default/options.json
similarity index 100%
rename from __fixtures__/default/options.json
rename to fixtures/default/options.json
diff --git a/__fixtures__/named/expected.jsx b/fixtures/named/expected.jsx
similarity index 100%
rename from __fixtures__/named/expected.jsx
rename to fixtures/named/expected.jsx
diff --git a/__fixtures__/named/input.md b/fixtures/named/input.md
similarity index 100%
rename from __fixtures__/named/input.md
rename to fixtures/named/input.md
diff --git a/__fixtures__/named/options.json b/fixtures/named/options.json
similarity index 100%
rename from __fixtures__/named/options.json
rename to fixtures/named/options.json
diff --git a/__fixtures__/null/expected.jsx b/fixtures/null/expected.jsx
similarity index 100%
rename from __fixtures__/null/expected.jsx
rename to fixtures/null/expected.jsx
diff --git a/__fixtures__/null/input.md b/fixtures/null/input.md
similarity index 100%
rename from __fixtures__/null/input.md
rename to fixtures/null/input.md
diff --git a/__fixtures__/null/options.json b/fixtures/null/options.json
similarity index 100%
rename from __fixtures__/null/options.json
rename to fixtures/null/options.json
diff --git a/__fixtures__/toml-with-content/expected.jsx b/fixtures/toml-with-content/expected.jsx
similarity index 100%
rename from __fixtures__/toml-with-content/expected.jsx
rename to fixtures/toml-with-content/expected.jsx
diff --git a/__fixtures__/toml-with-content/input.md b/fixtures/toml-with-content/input.md
similarity index 100%
rename from __fixtures__/toml-with-content/input.md
rename to fixtures/toml-with-content/input.md
diff --git a/__fixtures__/toml-with-content/options.json b/fixtures/toml-with-content/options.json
similarity index 100%
rename from __fixtures__/toml-with-content/options.json
rename to fixtures/toml-with-content/options.json
diff --git a/__fixtures__/toml/expected.jsx b/fixtures/toml/expected.jsx
similarity index 100%
rename from __fixtures__/toml/expected.jsx
rename to fixtures/toml/expected.jsx
diff --git a/__fixtures__/toml/input.md b/fixtures/toml/input.md
similarity index 100%
rename from __fixtures__/toml/input.md
rename to fixtures/toml/input.md
diff --git a/__fixtures__/toml/options.json b/fixtures/toml/options.json
similarity index 100%
rename from __fixtures__/toml/options.json
rename to fixtures/toml/options.json
diff --git a/__fixtures__/undefined-named/expected.jsx b/fixtures/undefined-named/expected.jsx
similarity index 100%
rename from __fixtures__/undefined-named/expected.jsx
rename to fixtures/undefined-named/expected.jsx
diff --git a/__fixtures__/undefined-named/input.md b/fixtures/undefined-named/input.md
similarity index 100%
rename from __fixtures__/undefined-named/input.md
rename to fixtures/undefined-named/input.md
diff --git a/__fixtures__/undefined-named/options.json b/fixtures/undefined-named/options.json
similarity index 100%
rename from __fixtures__/undefined-named/options.json
rename to fixtures/undefined-named/options.json
diff --git a/test.ts b/test.ts
index 65d4753..b9e18d2 100644
--- a/test.ts
+++ b/test.ts
@@ -7,7 +7,7 @@ import remarkFrontmatter from 'remark-frontmatter'
 
 import remarkMdxFrontmatter from './index.js'
 
-const fixturesDir = new URL('__fixtures__/', import.meta.url)
+const fixturesDir = new URL('fixtures/', import.meta.url)
 const tests = await readdir(fixturesDir)
 
 for (const name of tests) {