diff --git a/.gitignore b/.gitignore
index 996a288e1..571d24854 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,6 +33,6 @@ test/cli/fixtures/browser-multiple/basic-*
 # exclude static html reporter folder
 test/browser/html/
 test/core/html/
-.vitest-attachments
+.vitest
 explainFiles.txt
 .vitest-dump
diff --git a/docs/config/attachmentsdir.md b/docs/config/attachmentsdir.md
index 993fa9f83..14867d75f 100644
--- a/docs/config/attachmentsdir.md
+++ b/docs/config/attachmentsdir.md
@@ -6,6 +6,6 @@ outline: deep
 # attachmentsDir
 
 - **Type:** `string`
-- **Default:** `'.vitest-attachments'`
+- **Default:** `'.vitest/attachments'`
 
 Directory path for storing attachments created by [`context.annotate`](/guide/test-context#annotate) relative to the project root.
diff --git a/docs/guide/browser/visual-regression-testing.md b/docs/guide/browser/visual-regression-testing.md
index ad088764e..75a877bdc 100644
--- a/docs/guide/browser/visual-regression-testing.md
+++ b/docs/guide/browser/visual-regression-testing.md
@@ -302,10 +302,10 @@ Reference screenshot:
   tests/__screenshots__/button.test.ts/button-chromium-darwin.png
 
 Actual screenshot:
-  tests/.vitest-attachments/button.test.ts/button-chromium-darwin-actual.png
+  tests/.vitest/attachments/button.test.ts/button-chromium-darwin-actual.png
 
 Diff image:
-  tests/.vitest-attachments/button.test.ts/button-chromium-darwin-diff.png
+  tests/.vitest/attachments/button.test.ts/button-chromium-darwin-diff.png
 ```
 
 ### Understanding the diff image
diff --git a/docs/guide/cli-generated.md b/docs/guide/cli-generated.md
index 4fc81a517..abdd2dad5 100644
--- a/docs/guide/cli-generated.md
+++ b/docs/guide/cli-generated.md
@@ -865,7 +865,7 @@ Collect test and suite locations in the `location` property
 - **CLI:** `--attachmentsDir <dir>`
 - **Config:** [attachmentsDir](/config/attachmentsdir)
 
-The directory where attachments from `context.annotate` are stored in (default: `.vitest-attachments`)
+The directory where attachments from `context.annotate` are stored in (default: `.vitest/attachments`)
 
 ### run
 
diff --git a/docs/guide/improving-performance.md b/docs/guide/improving-performance.md
index efbbc804d..baca0c6cd 100644
--- a/docs/guide/improving-performance.md
+++ b/docs/guide/improving-performance.md
@@ -178,7 +178,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           name: blob-attachments-${{ matrix.shardIndex }}
-          path: .vitest-attachments/**
+          path: .vitest/**
           include-hidden-files: true
           retention-days: 1
 
@@ -209,7 +209,7 @@ jobs:
       - name: Download attachments from GitHub Actions Artifacts
         uses: actions/download-artifact@v4
         with:
-          path: .vitest-attachments
+          path: .vitest
           pattern: blob-attachments-*
           merge-multiple: true
 
diff --git a/packages/vitest/src/node/cli/cli-config.ts b/packages/vitest/src/node/cli/cli-config.ts
index 1357d2912..573d10cb4 100644
--- a/packages/vitest/src/node/cli/cli-config.ts
+++ b/packages/vitest/src/node/cli/cli-config.ts
@@ -821,7 +821,7 @@ export const cliOptionsConfig: VitestCLIOptions = {
     description: 'Collect test and suite locations in the `location` property',
   },
   attachmentsDir: {
-    description: 'The directory where attachments from `context.annotate` are stored in (default: `.vitest-attachments`)',
+    description: 'The directory where attachments from `context.annotate` are stored in (default: `.vitest/attachments`)',
     argument: '<dir>',
   },
 
diff --git a/packages/vitest/src/node/config/resolveConfig.ts b/packages/vitest/src/node/config/resolveConfig.ts
index f3cd3f32f..3470fe63c 100644
--- a/packages/vitest/src/node/config/resolveConfig.ts
+++ b/packages/vitest/src/node/config/resolveConfig.ts
@@ -568,7 +568,7 @@ export function resolveConfig(
 
   resolved.attachmentsDir = resolve(
     resolved.root,
-    resolved.attachmentsDir ?? '.vitest-attachments',
+    resolved.attachmentsDir ?? '.vitest/attachments',
   )
 
   if (resolved.snapshotEnvironment) {
diff --git a/packages/vitest/src/node/types/config.ts b/packages/vitest/src/node/types/config.ts
index f61409396..d3b87c776 100644
--- a/packages/vitest/src/node/types/config.ts
+++ b/packages/vitest/src/node/types/config.ts
@@ -860,7 +860,7 @@ export interface InlineConfig {
   /**
    * Directory path for storing attachments created by `context.annotate`
    *
-   * @default '.vitest-attachments'
+   * @default '.vitest/attachments'
    */
   attachmentsDir?: string
 
diff --git a/test/cli/test/annotations.test.ts b/test/cli/test/annotations.test.ts
index ce0f00eb7..34103eb3d 100644
--- a/test/cli/test/annotations.test.ts
+++ b/test/cli/test/annotations.test.ts
@@ -108,8 +108,8 @@ describe('API', () => {
         "[ready] simple",
         "[annotate] simple 1 notice path=undefined contentType=undefined body=undefined",
         "[annotate] simple 2 warning path=undefined contentType=undefined body=undefined",
-        "[annotate] simple 3 notice path=<root>/.vitest-attachments/3-<hash>.js contentType=text/javascript body=undefined",
-        "[annotate] simple 4 warning path=<root>/.vitest-attachments/4-<hash>.js contentType=text/javascript body=undefined",
+        "[annotate] simple 3 notice path=<root>/.vitest/attachments/3-<hash>.js contentType=text/javascript body=undefined",
+        "[annotate] simple 4 warning path=<root>/.vitest/attachments/4-<hash>.js contentType=text/javascript body=undefined",
         "[annotate] simple external notice path=undefined contentType=undefined body=undefined",
         "[annotate] simple with base64 body notice path=undefined contentType=undefined body=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",
         "[annotate] simple with Uint8Array body notice path=undefined contentType=undefined body=AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0+P0BBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWprbG1ub3BxcnN0dXZ3eHl6e3x9fn+AgYKDhIWGh4iJiouMjY6PkJGSk5SVlpeYmZqbnJ2en6ChoqOkpaanqKmqq6ytrq+wsbKztLW2t7i5uru8vb6/wMHCw8TFxsfIycrLzM3Oz9DR0tPU1dbX2Nna29zd3t/g4eLj5OXm5+jp6uvs7e7v8PHy8/T19vf4+fr7/P3+/w==",
@@ -177,7 +177,7 @@ describe('API', () => {
           {
             "attachment": {
               "contentType": "text/javascript",
-              "path": "<root>/.vitest-attachments/3-<hash>.js",
+              "path": "<root>/.vitest/attachments/3-<hash>.js",
             },
             "location": {
               "column": 9,
@@ -190,7 +190,7 @@ describe('API', () => {
           {
             "attachment": {
               "contentType": "text/javascript",
-              "path": "<root>/.vitest-attachments/4-<hash>.js",
+              "path": "<root>/.vitest/attachments/4-<hash>.js",
             },
             "location": {
               "column": 9,
diff --git a/test/cli/test/artifacts.test.ts b/test/cli/test/artifacts.test.ts
index a997f58fc..d43d0571c 100644
--- a/test/cli/test/artifacts.test.ts
+++ b/test/cli/test/artifacts.test.ts
@@ -108,10 +108,10 @@ describe('API', () => {
       [
         "[ready] simple",
         "[artifact] simple with-no-attachments path=undefined contentType=undefined body=undefined",
-        "[artifact] simple with-one-attachment path=[ '<root>/.vitest-attachments/<hash>.js' ] contentType=[ 'text/javascript' ] body=[ undefined ]",
+        "[artifact] simple with-one-attachment path=[ '<root>/.vitest/attachments/<hash>.js' ] contentType=[ 'text/javascript' ] body=[ undefined ]",
         "[artifact] simple with-multiple-attachments path=[
-        '<root>/.vitest-attachments/<hash>.js',
-        '<root>/.vitest-attachments/<hash>.js'
+        '<root>/.vitest/attachments/<hash>.js',
+        '<root>/.vitest/attachments/<hash>.js'
       ] contentType=[ 'text/javascript', 'text/javascript' ] body=[ undefined, undefined ]",
         "[artifact] simple external path=undefined contentType=undefined body=undefined",
         "[artifact] simple with-base64 path=[ undefined ] contentType=[ undefined ] body=[ 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/' ]",
@@ -156,7 +156,7 @@ describe('API', () => {
             "attachments": [
               {
                 "contentType": "text/javascript",
-                "path": "<root>/.vitest-attachments/<hash>.js",
+                "path": "<root>/.vitest/attachments/<hash>.js",
               },
             ],
             "location": {
@@ -170,11 +170,11 @@ describe('API', () => {
             "attachments": [
               {
                 "contentType": "text/javascript",
-                "path": "<root>/.vitest-attachments/<hash>.js",
+                "path": "<root>/.vitest/attachments/<hash>.js",
               },
               {
                 "contentType": "text/javascript",
-                "path": "<root>/.vitest-attachments/<hash>.js",
+                "path": "<root>/.vitest/attachments/<hash>.js",
               },
             ],
             "location": {