diff --git a/__tests__/sort/InsertionSort.spec.ts b/__tests__/sort/InsertionSort.spec.ts
index 2d7d147..e047b54 100644
--- a/__tests__/sort/InsertionSort.spec.ts
+++ b/__tests__/sort/InsertionSort.spec.ts
@@ -44,7 +44,7 @@ import {
   insertionSort,
   Tree,
   treeCreate,
-} from '@/index'
+} from '@/'
 
 type TreeNode = Tree & {
   key: number
diff --git a/__tests__/sort/MergeSort.spec.ts b/__tests__/sort/MergeSort.spec.ts
index 2721967..1ce6875 100644
--- a/__tests__/sort/MergeSort.spec.ts
+++ b/__tests__/sort/MergeSort.spec.ts
@@ -42,7 +42,7 @@ import {
   numericCompare,
   numericKeyCompare,
   mergeSort,
-} from '@/index'
+} from '@/'
 
 describe('MergeSort', () => {
   it('string', () => {
diff --git a/__tests__/sort/SelectionSort.spec.ts b/__tests__/sort/SelectionSort.spec.ts
index 83abd12..4b9139e 100644
--- a/__tests__/sort/SelectionSort.spec.ts
+++ b/__tests__/sort/SelectionSort.spec.ts
@@ -42,7 +42,7 @@ import {
   numericCompare,
   numericKeyCompare,
   selectionSort,
-} from '@/index'
+} from '@/'
 
 describe('SelectionSort', () => {
   it('string', () => {
diff --git a/__tests__/structures/Heap.spec.ts b/__tests__/structures/Heap.spec.ts
index 3e36230..2e55413 100644
--- a/__tests__/structures/Heap.spec.ts
+++ b/__tests__/structures/Heap.spec.ts
@@ -40,7 +40,7 @@ import {
   heapSort,
   buildMaxHeap,
   // buildMinHeap,
-} from '@/index'
+} from '@/'
 
 describe('Heap', () => {
   it('buildMaxHeap', () => {
diff --git a/__tests__/structures/List.spec.ts b/__tests__/structures/List.spec.ts
index bdbc310..3c51ba0 100644
--- a/__tests__/structures/List.spec.ts
+++ b/__tests__/structures/List.spec.ts
@@ -64,7 +64,7 @@ import {
   listIsLast,
   listHas,
   listQuery,
-} from '@/index'
+} from '@/'
 
 type ListNode = Listable & {
   key: number
diff --git a/__tests__/structures/Stack.spec.ts b/__tests__/structures/Stack.spec.ts
index d5308da..c3d8b1a 100644
--- a/__tests__/structures/Stack.spec.ts
+++ b/__tests__/structures/Stack.spec.ts
@@ -59,7 +59,7 @@ import {
   stackIsTop,
   stackHas,
   stackQuery,
-} from '@/index'
+} from '@/'
 
 type StackNode = Stackable & {
   key: number
diff --git a/__tests__/structures/Tree.spec.ts b/__tests__/structures/Tree.spec.ts
index 5275b29..700d32c 100644
--- a/__tests__/structures/Tree.spec.ts
+++ b/__tests__/structures/Tree.spec.ts
@@ -57,7 +57,7 @@ import {
   treeQuery,
   treeInsertChildBefore,
   treeInsertChildAfter,
-} from '@/index'
+} from '@/'
 
 type A = Tree & {
   key: number