diff --git a/package-lock.json b/package-lock.json
index 12b3f1416..3424c2e96 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "astro": "^4.2.1",
         "astro-diagram": "^0.7.0",
         "hast-util-select": "^6.0.2",
-        "hastscript": "^8.0.0",
+        "hastscript": "^9.0.0",
         "mermaid": "^10.7.0",
         "sharp": "^0.33.2",
         "starlight-links-validator": "^0.5.2",
@@ -263,6 +263,22 @@
         "tailwindcss": "^3.3.3"
       }
     },
+    "node_modules/@astrojs/starlight/node_modules/hastscript": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/hastscript/-/hastscript-8.0.0.tgz",
+      "integrity": "sha512-dMOtzCEd3ABUeSIISmrETiKuyydk1w0pa+gE/uormcTpSYuaNJPbX1NU3JLyscSLjwAQM8bWMhhIlnCqnRvDTw==",
+      "dependencies": {
+        "@types/hast": "^3.0.0",
+        "comma-separated-tokens": "^2.0.0",
+        "hast-util-parse-selector": "^4.0.0",
+        "property-information": "^6.0.0",
+        "space-separated-tokens": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/@astrojs/tailwind": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@astrojs/tailwind/-/tailwind-5.1.0.tgz",
@@ -5111,6 +5127,22 @@
         "url": "https://opencollective.com/unified"
       }
     },
+    "node_modules/hast-util-from-parse5/node_modules/hastscript": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/hastscript/-/hastscript-8.0.0.tgz",
+      "integrity": "sha512-dMOtzCEd3ABUeSIISmrETiKuyydk1w0pa+gE/uormcTpSYuaNJPbX1NU3JLyscSLjwAQM8bWMhhIlnCqnRvDTw==",
+      "dependencies": {
+        "@types/hast": "^3.0.0",
+        "comma-separated-tokens": "^2.0.0",
+        "hast-util-parse-selector": "^4.0.0",
+        "property-information": "^6.0.0",
+        "space-separated-tokens": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/hast-util-has-property": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/hast-util-has-property/-/hast-util-has-property-3.0.0.tgz",
@@ -5318,9 +5350,9 @@
       }
     },
     "node_modules/hastscript": {
-      "version": "8.0.0",
-      "resolved": "https://registry.npmjs.org/hastscript/-/hastscript-8.0.0.tgz",
-      "integrity": "sha512-dMOtzCEd3ABUeSIISmrETiKuyydk1w0pa+gE/uormcTpSYuaNJPbX1NU3JLyscSLjwAQM8bWMhhIlnCqnRvDTw==",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/hastscript/-/hastscript-9.0.0.tgz",
+      "integrity": "sha512-jzaLBGavEDKHrc5EfFImKN7nZKKBdSLIdGvCwDZ9TfzbF2ffXiov8CKE445L2Z1Ek2t/m4SKQ2j6Ipv7NyUolw==",
       "dependencies": {
         "@types/hast": "^3.0.0",
         "comma-separated-tokens": "^2.0.0",
diff --git a/package.json b/package.json
index 8516e760e..a72949fbb 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "astro": "^4.2.1",
     "astro-diagram": "^0.7.0",
     "hast-util-select": "^6.0.2",
-    "hastscript": "^8.0.0",
+    "hastscript": "^9.0.0",
     "mermaid": "^10.7.0",
     "sharp": "^0.33.2",
     "starlight-links-validator": "^0.5.2",