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