diff --git a/CHANGELOG.md b/CHANGELOG.md
index 413fb973a41b..97e8d4019653 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 ### Chore & Maintenance
 
 - `[@jest/fake-timers]` Update `@sinonjs/fake-timers` ([#13612](https://github.com/facebook/jest/pull/13612))
+- `[docs]` Improve custom puppeteer example to prevent worker warnings ([#13619](https://github.com/facebook/jest/pull/13619))
 
 ### Performance
 
diff --git a/docs/Puppeteer.md b/docs/Puppeteer.md
index 5752f7cba96d..d437bda3743f 100644
--- a/docs/Puppeteer.md
+++ b/docs/Puppeteer.md
@@ -108,6 +108,9 @@ class PuppeteerEnvironment extends NodeEnvironment {
   }
 
   async teardown() {
+    if (this.global.__BROWSER_GLOBAL__) {
+      this.global.__BROWSER_GLOBAL__.disconnect();
+    }
     await super.teardown();
   }
 
diff --git a/website/versioned_docs/version-25.x/Puppeteer.md b/website/versioned_docs/version-25.x/Puppeteer.md
index e31285ea9b02..c1aafd6ba637 100644
--- a/website/versioned_docs/version-25.x/Puppeteer.md
+++ b/website/versioned_docs/version-25.x/Puppeteer.md
@@ -108,6 +108,9 @@ class PuppeteerEnvironment extends NodeEnvironment {
   }
 
   async teardown() {
+    if (this.global.__BROWSER_GLOBAL__) {
+      this.global.__BROWSER_GLOBAL__.disconnect();
+    }
     await super.teardown();
   }
 
diff --git a/website/versioned_docs/version-26.x/Puppeteer.md b/website/versioned_docs/version-26.x/Puppeteer.md
index e31285ea9b02..c1aafd6ba637 100644
--- a/website/versioned_docs/version-26.x/Puppeteer.md
+++ b/website/versioned_docs/version-26.x/Puppeteer.md
@@ -108,6 +108,9 @@ class PuppeteerEnvironment extends NodeEnvironment {
   }
 
   async teardown() {
+    if (this.global.__BROWSER_GLOBAL__) {
+      this.global.__BROWSER_GLOBAL__.disconnect();
+    }
     await super.teardown();
   }
 
diff --git a/website/versioned_docs/version-27.x/Puppeteer.md b/website/versioned_docs/version-27.x/Puppeteer.md
index c3e51d2a16c7..7d4b6576c86b 100644
--- a/website/versioned_docs/version-27.x/Puppeteer.md
+++ b/website/versioned_docs/version-27.x/Puppeteer.md
@@ -108,6 +108,9 @@ class PuppeteerEnvironment extends NodeEnvironment {
   }
 
   async teardown() {
+    if (this.global.__BROWSER_GLOBAL__) {
+      this.global.__BROWSER_GLOBAL__.disconnect();
+    }
     await super.teardown();
   }
 
diff --git a/website/versioned_docs/version-28.x/Puppeteer.md b/website/versioned_docs/version-28.x/Puppeteer.md
index 5752f7cba96d..d437bda3743f 100644
--- a/website/versioned_docs/version-28.x/Puppeteer.md
+++ b/website/versioned_docs/version-28.x/Puppeteer.md
@@ -108,6 +108,9 @@ class PuppeteerEnvironment extends NodeEnvironment {
   }
 
   async teardown() {
+    if (this.global.__BROWSER_GLOBAL__) {
+      this.global.__BROWSER_GLOBAL__.disconnect();
+    }
     await super.teardown();
   }
 
diff --git a/website/versioned_docs/version-29.0/Puppeteer.md b/website/versioned_docs/version-29.0/Puppeteer.md
index 5752f7cba96d..d437bda3743f 100644
--- a/website/versioned_docs/version-29.0/Puppeteer.md
+++ b/website/versioned_docs/version-29.0/Puppeteer.md
@@ -108,6 +108,9 @@ class PuppeteerEnvironment extends NodeEnvironment {
   }
 
   async teardown() {
+    if (this.global.__BROWSER_GLOBAL__) {
+      this.global.__BROWSER_GLOBAL__.disconnect();
+    }
     await super.teardown();
   }
 
diff --git a/website/versioned_docs/version-29.1/Puppeteer.md b/website/versioned_docs/version-29.1/Puppeteer.md
index 5752f7cba96d..d437bda3743f 100644
--- a/website/versioned_docs/version-29.1/Puppeteer.md
+++ b/website/versioned_docs/version-29.1/Puppeteer.md
@@ -108,6 +108,9 @@ class PuppeteerEnvironment extends NodeEnvironment {
   }
 
   async teardown() {
+    if (this.global.__BROWSER_GLOBAL__) {
+      this.global.__BROWSER_GLOBAL__.disconnect();
+    }
     await super.teardown();
   }
 
diff --git a/website/versioned_docs/version-29.2/Puppeteer.md b/website/versioned_docs/version-29.2/Puppeteer.md
index 5752f7cba96d..d437bda3743f 100644
--- a/website/versioned_docs/version-29.2/Puppeteer.md
+++ b/website/versioned_docs/version-29.2/Puppeteer.md
@@ -108,6 +108,9 @@ class PuppeteerEnvironment extends NodeEnvironment {
   }
 
   async teardown() {
+    if (this.global.__BROWSER_GLOBAL__) {
+      this.global.__BROWSER_GLOBAL__.disconnect();
+    }
     await super.teardown();
   }
 
diff --git a/website/versioned_docs/version-29.3/Puppeteer.md b/website/versioned_docs/version-29.3/Puppeteer.md
index 5752f7cba96d..d437bda3743f 100644
--- a/website/versioned_docs/version-29.3/Puppeteer.md
+++ b/website/versioned_docs/version-29.3/Puppeteer.md
@@ -108,6 +108,9 @@ class PuppeteerEnvironment extends NodeEnvironment {
   }
 
   async teardown() {
+    if (this.global.__BROWSER_GLOBAL__) {
+      this.global.__BROWSER_GLOBAL__.disconnect();
+    }
     await super.teardown();
   }