diff --git a/packages/devtools-bundler-core/package.json b/packages/devtools-bundler-core/package.json
index 983a7e78..0738b6cb 100644
--- a/packages/devtools-bundler-core/package.json
+++ b/packages/devtools-bundler-core/package.json
@@ -61,6 +61,6 @@
   },
   "devDependencies": {
     "@types/picomatch": "^4.0.2",
-    "happy-dom": "^20.0.0"
+    "happy-dom": "^21.0.0"
   }
 }
diff --git a/packages/devtools-rspack/package.json b/packages/devtools-rspack/package.json
index c7ae52c2..38b3a9a0 100644
--- a/packages/devtools-rspack/package.json
+++ b/packages/devtools-rspack/package.json
@@ -61,6 +61,6 @@
     "chalk": "^5.6.2"
   },
   "devDependencies": {
-    "happy-dom": "^20.0.0"
+    "happy-dom": "^21.0.0"
   }
 }
diff --git a/packages/devtools-vite/package.json b/packages/devtools-vite/package.json
index d51be0df..e235f3d1 100644
--- a/packages/devtools-vite/package.json
+++ b/packages/devtools-vite/package.json
@@ -62,6 +62,6 @@
     "chalk": "^5.6.2"
   },
   "devDependencies": {
-    "happy-dom": "^20.0.0"
+    "happy-dom": "^21.0.0"
   }
 }