diff --git a/packages/sessions/package.json b/packages/sessions/package.json
index 49b473ce000..a97e7ebf907 100644
--- a/packages/sessions/package.json
+++ b/packages/sessions/package.json
@@ -40,7 +40,7 @@
     "@vitest/coverage-v8": "3.2.1",
     "depcheck": "1.4.7",
     "eslint": "10.0.2",
-    "happy-dom": "20.0.10",
+    "happy-dom": "20.8.9",
     "ts-morph": "23.0.0",
     "typescript": "5.8.3",
     "vitest": "3.2.1"