diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b4f1afa..dd2d6cb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -33,7 +33,7 @@ jobs:
           cache: npm
       - run: npm install -g npm@^11.0.0
       - run: npm ci
-      - uses: guidepup/setup-action@5ab89fbb6641406f6f6c91057225f3fb397c2eea
+      - uses: guidepup/setup-action@5d19b1151e972898cae0f0cc44e239127953bd90 # v0.21.0
       - run: npm run test:guidepup
   guidepup-windows:
     name: Guidepup (Windows)
@@ -47,5 +47,5 @@ jobs:
           cache: npm
       - run: npm install -g npm@^11.0.0
       - run: npm ci
-      - uses: guidepup/setup-action@5ab89fbb6641406f6f6c91057225f3fb397c2eea
+      - uses: guidepup/setup-action@5d19b1151e972898cae0f0cc44e239127953bd90 # v0.21.0
       - run: npm run test:guidepup
diff --git a/package-lock.json b/package-lock.json
index 980be77..219c418 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "devDependencies": {
         "@esm-bundle/chai": "^4.3.4-fix.0",
-        "@guidepup/guidepup": "^0.25.0",
+        "@guidepup/guidepup": "0.28.1",
         "@guidepup/playwright": "^0.16.0",
         "@playwright/test": "^1.48.0",
         "@web/test-runner": "^0.20.1"
@@ -49,9 +49,9 @@
       }
     },
     "node_modules/@guidepup/guidepup": {
-      "version": "0.25.0",
-      "resolved": "https://registry.npmjs.org/@guidepup/guidepup/-/guidepup-0.25.0.tgz",
-      "integrity": "sha512-WDOA1nloFKxTrO3HDMQ5iVgr4UqxB0lqixenwj0V18z+OP/Jiw0icFsHhUW/MnVYCLmvwEsiCdvcT043EDfkRQ==",
+      "version": "0.28.1",
+      "resolved": "https://registry.npmjs.org/@guidepup/guidepup/-/guidepup-0.28.1.tgz",
+      "integrity": "sha512-z0v8cuEU4w8wwKAg/C1YpxdQKMz+mu54aOnNYfzGRDEiw7JE0vHFCfLzG3TUU1qbaI1bqtCKtfsEXb3dbsXCQw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -1624,7 +1624,8 @@
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.3.tgz",
       "integrity": "sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ==",
-      "dev": true
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/cross-spawn": {
       "version": "7.0.6",
@@ -2387,7 +2388,8 @@
       "version": "3.7.4",
       "resolved": "https://registry.npmjs.org/if-async/-/if-async-3.7.4.tgz",
       "integrity": "sha512-BFEH2mZyeF6KZKaKLVPZ0wMjIiWOdjvZ7zbx8ENec0qfZhJwKFbX/4jKM5LTKyJEc/GOqUKiiJ2IFKT9yWrZqA==",
-      "dev": true
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/ignore": {
       "version": "5.3.2",
@@ -2613,7 +2615,8 @@
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
       "integrity": "sha512-D2S+3GLxWH+uhrNEcoh/fnmYeP8E8/zHl644d/jdA0g2uyXvy3sb0qxotE+ne0LtccHknQzWwZEzhak7oJ0COQ==",
-      "dev": true
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/isbinaryfile": {
       "version": "5.0.4",
@@ -3463,6 +3466,7 @@
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
       "integrity": "sha512-ok1qVCJuRkNmvebYikljxJA/UEsKwLl2nI1OmaqAu4/UE+h0wKCHok4XkL/gvi39OacXvw59RJUOFUkDib2rHg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "core-util-is": "~1.0.0",
         "inherits": "~2.0.1",
@@ -3488,6 +3492,7 @@
       "resolved": "https://registry.npmjs.org/regedit/-/regedit-5.1.2.tgz",
       "integrity": "sha512-pQpWqO/I40bMNoMO9kTQx3e5iK542kYcB/Z8X3Y7Hcri6ydc4KZ9ByUsEWFkBRMcwo+2irHuNK5s+pMGPr6VPw==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "debug": "^4.1.0",
         "if-async": "^3.7.4",
@@ -3916,7 +3921,8 @@
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/stream-slicer/-/stream-slicer-0.0.6.tgz",
       "integrity": "sha512-QsY0LbweYE5L+e+iBQgtkM5WUIf7+kCMA/m2VULv8rEEDDnlDPsPvOHH4nli6uaZOKQEt64u65h0l/eeZo7lCw==",
-      "dev": true
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/streamx": {
       "version": "2.22.1",
@@ -3935,7 +3941,8 @@
       "version": "0.10.31",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
       "integrity": "sha512-ev2QzSzWPYmy9GuqfIVildA4OdcGLeFZQrq5ys6RtiuF+RQQiZWr8TZNyAcuVXyQRYfEO+MsoB/1BuQVhOJuoQ==",
-      "dev": true
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/string-width": {
       "version": "4.2.3",
@@ -4058,6 +4065,7 @@
       "resolved": "https://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
       "integrity": "sha512-RkK/CCESdTKQZHdmKICijdKKsCRVHs5KsLZ6pACAmF/1GPUQhonHSXWNERctxEp7RmvjdNbZTL5z9V7nSCXKcg==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "readable-stream": ">=1.0.33-1 <1.1.0-0",
         "xtend": ">=4.0.0 <4.1.0-0"
@@ -4282,6 +4290,7 @@
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
       "integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=0.4"
       }
diff --git a/package.json b/package.json
index 98f1594..a6e8172 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "@esm-bundle/chai": "^4.3.4-fix.0",
-    "@guidepup/guidepup": "^0.25.0",
+    "@guidepup/guidepup": "0.28.1",
     "@guidepup/playwright": "^0.16.0",
     "@playwright/test": "^1.48.0",
     "@web/test-runner": "^0.20.1"