diff --git a/package-lock.json b/package-lock.json
index 85fb99db..8020689c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "npm-run-all": "^4.1.5"
       },
       "devDependencies": {
-        "happy-dom": "^10.11.2",
+        "happy-dom": "^15.10.1",
         "turbo": "^2.0.3",
         "vitest": "^0.34.2"
       },
@@ -17779,31 +17779,18 @@
       }
     },
     "node_modules/happy-dom": {
-      "version": "10.11.2",
-      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-10.11.2.tgz",
-      "integrity": "sha512-rzgmLjLkhyaOdFEyU8CWXzbgyCyM7wJHLqhaoeEVSTyur1fjcUaiNTHx+D4CPaLvx16tGy+SBPd9TVnP/kzL3w==",
+      "version": "15.10.1",
+      "resolved": "https://registry.npmjs.org/happy-dom/-/happy-dom-15.10.1.tgz",
+      "integrity": "sha512-FuGnj/qIB4QnBL6fWmD7Wnh6STxevLgOVWB6+nopDGgWG1+t9CXkNB2ldZ+iqwD2UKxD2D0SU8el8A6AX6Q1+g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "css.escape": "^1.5.1",
         "entities": "^4.5.0",
-        "iconv-lite": "^0.6.3",
         "webidl-conversions": "^7.0.0",
-        "whatwg-encoding": "^2.0.0",
         "whatwg-mimetype": "^3.0.0"
-      }
-    },
-    "node_modules/happy-dom/node_modules/iconv-lite": {
-      "version": "0.6.3",
-      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
-      "integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "safer-buffer": ">= 2.1.2 < 3.0.0"
       },
       "engines": {
-        "node": ">=0.10.0"
+        "node": ">=18.0.0"
       }
     },
     "node_modules/harmony-reflect": {
@@ -34408,7 +34395,7 @@
         "@types/react-dom": "^18.0.6",
         "eslint-config-curvenote": "^0.0.4",
         "jest": "^29.4.1",
-        "npm-run-all": "latest",
+        "npm-run-all": "*",
         "ts-jest": "^29.0.5",
         "ts-node": "^10.9.1"
       }
diff --git a/package.json b/package.json
index eee81bb3..8cf5f37f 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
   },
   "homepage": "https://thebe.readthedocs.io/en/latest",
   "devDependencies": {
-    "happy-dom": "^10.11.2",
+    "happy-dom": "^15.10.1",
     "turbo": "^2.0.3",
     "vitest": "^0.34.2"
   },