diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 0fb98e38..9ce00e21 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -17,6 +17,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/setup
+        with:
+          shell: lint
       - run: pnpm run lint
 
   fmt:
@@ -25,6 +27,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/setup
+        with:
+          shell: lint
       - run: pnpm run fmt
 
   test-nodejs:
diff --git a/src/ReaderEither.ts b/src/ReaderEither.ts
index 768ec0b9..56d7dc15 100644
--- a/src/ReaderEither.ts
+++ b/src/ReaderEither.ts
@@ -1,9 +1,9 @@
-import type { Either } from "fp-ts/Either"
 /**
  * Utility functions to accommodate `fp-ts/ReaderEither`.
  *
  * @since 0.15.0
  */
+import type { Either } from "fp-ts/Either"
 import type { ReaderEither } from "fp-ts/ReaderEither"
 import { identity } from "fp-ts/function"
 import { runReader } from "./Reader"
diff --git a/src/ReaderIO.ts b/src/ReaderIO.ts
index 4f9e2fee..b3ae2915 100644
--- a/src/ReaderIO.ts
+++ b/src/ReaderIO.ts
@@ -1,9 +1,9 @@
-import type { IO } from "fp-ts/IO"
 /**
  * Utility functions to accommodate `fp-ts/ReaderIO`.
  *
  * @since 0.16.0
  */
+import type { IO } from "fp-ts/IO"
 import type { ReaderIO } from "fp-ts/ReaderIO"
 import { identity } from "fp-ts/function"
 import { runReader } from "./Reader"
diff --git a/src/ReaderTask.ts b/src/ReaderTask.ts
index 9f68df57..5a3038f5 100644
--- a/src/ReaderTask.ts
+++ b/src/ReaderTask.ts
@@ -1,10 +1,10 @@
-import type { ReaderTask } from "fp-ts/ReaderTask"
-import type { Task } from "fp-ts/Task"
 /**
  * Utility functions to accommodate `fp-ts/ReaderTask`.
  *
  * @since 0.15.0
  */
+import type { ReaderTask } from "fp-ts/ReaderTask"
+import type { Task } from "fp-ts/Task"
 import { identity } from "fp-ts/function"
 import { runReader } from "./Reader"
 
diff --git a/src/ReaderTaskEither.ts b/src/ReaderTaskEither.ts
index c1ed0719..d0cd906e 100644
--- a/src/ReaderTaskEither.ts
+++ b/src/ReaderTaskEither.ts
@@ -1,13 +1,13 @@
-import type { Either } from "fp-ts/Either"
-import type * as RTE from "fp-ts/ReaderTaskEither"
-import type { Task } from "fp-ts/Task"
-import * as TE from "fp-ts/TaskEither"
-import type { TaskEither } from "fp-ts/TaskEither"
 /**
  * Utility functions to accommodate `fp-ts/ReaderTaskEither`.
  *
  * @since 0.15.0
  */
+import type { Either } from "fp-ts/Either"
+import type * as RTE from "fp-ts/ReaderTaskEither"
+import type { Task } from "fp-ts/Task"
+import * as TE from "fp-ts/TaskEither"
+import type { TaskEither } from "fp-ts/TaskEither"
 import { flow, identity } from "fp-ts/function"
 import { runReader } from "./Reader"
 import {
diff --git a/test/Monad.ts b/test/Monad.ts
index 16fa7161..f7549935 100644
--- a/test/Monad.ts
+++ b/test/Monad.ts
@@ -221,9 +221,8 @@ describe("Monad", () => {
 
 		it("doesn't execute action if condition fails", () => {
 			let exe = false
-			const set: IO<boolean> = () => {
-				exe = true
-			}
+			// biome-ignore lint/suspicious/noAssignInExpressions: Intentional.
+			const set: IO<boolean> = () => (exe = true)
 
 			expect(exe).toBe(false)
 
@@ -262,9 +261,8 @@ describe("Monad", () => {
 
 		it("doesn't execute action if condition succeeds", () => {
 			let exe = false
-			const set: IO<boolean> = () => {
-				exe = true
-			}
+			// biome-ignore lint/suspicious/noAssignInExpressions: Intentional.
+			const set: IO<boolean> = () => (exe = true)
 
 			expect(exe).toBe(false)
 
diff --git a/test/Task.ts b/test/Task.ts
index f58a534d..f1b40d7f 100644
--- a/test/Task.ts
+++ b/test/Task.ts
@@ -26,7 +26,7 @@ const flushPromises = (): Promise<void> =>
 
 describe("Task", () => {
 	// Bun doesn't support fake timers yet.
-	const desc = 'advanceTimersByTime' in jest ? describe : describe.skip;
+	const desc = "advanceTimersByTime" in jest ? describe : describe.skip
 	desc("sleep", () => {
 		it("waits the specified period of time", async () => {
 			jest.useFakeTimers()