diff --git a/compiler/crates/fixture-tests/src/lib.rs b/compiler/crates/fixture-tests/src/lib.rs
index aca576b6cd4de..22a7760e7fddc 100644
--- a/compiler/crates/fixture-tests/src/lib.rs
+++ b/compiler/crates/fixture-tests/src/lib.rs
@@ -32,7 +32,7 @@
 //! `tests/first_transform/mod.rs` exports the transform to test, for example:
 //!
 //! ```ignore
-//! pub fn transform_fixture(fixture: &Fixture<'_>) -> Result<String, String> {
+//! pub async fn transform_fixture(fixture: &Fixture<'_>) -> Result<String, String> {
 //!   Ok(fixture.to_uppercase())
 //! }
 //! ```
diff --git a/compiler/crates/fixture-tests/src/main.rs b/compiler/crates/fixture-tests/src/main.rs
index 72d93d29cc91a..291b8977afd4d 100644
--- a/compiler/crates/fixture-tests/src/main.rs
+++ b/compiler/crates/fixture-tests/src/main.rs
@@ -93,11 +93,11 @@ fn main() {
             .map(|(_, test_case)| {
                 let test_case_name = &test_case.name;
                 format!(
-                    r#"#[test]
-fn {0}() {{
+                    r#"#[tokio::test]
+async fn {0}() {{
     let input = include_str!("{1}/fixtures/{2}");
     let expected = include_str!("{1}/fixtures/{3}");
-    test_fixture(transform_fixture, "{2}", "{1}/fixtures/{3}", input, expected);
+    test_fixture(transform_fixture, "{2}", "{1}/fixtures/{3}", input, expected).await;
 }}"#,
                     test_case.name,
                     &test_name,