diff --git a/package.json b/package.json
index d09d618e9d..dbf2cfb099 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "classnames": "^2.3.2",
     "flexboxgrid": "^6.3.1",
     "flexboxgrid-helpers": "^1.1.3",
-    "hastscript": "^8.0.0",
+    "hastscript": "^9.0.0",
     "js-slang": "^1.0.37",
     "js-yaml": "^4.1.0",
     "konva": "^9.2.0",
diff --git a/yarn.lock b/yarn.lock
index cb877267dc..7524a7309a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6958,10 +6958,10 @@ hastscript@^6.0.0:
     property-information "^5.0.0"
     space-separated-tokens "^1.0.0"
 
-hastscript@^8.0.0:
-  version "8.0.0"
-  resolved "https://registry.yarnpkg.com/hastscript/-/hastscript-8.0.0.tgz#4ef795ec8dee867101b9f23cc830d4baf4fd781a"
-  integrity sha512-dMOtzCEd3ABUeSIISmrETiKuyydk1w0pa+gE/uormcTpSYuaNJPbX1NU3JLyscSLjwAQM8bWMhhIlnCqnRvDTw==
+hastscript@^9.0.0:
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/hastscript/-/hastscript-9.0.0.tgz#2b76b9aa3cba8bf6d5280869f6f6f7165c230763"
+  integrity sha512-jzaLBGavEDKHrc5EfFImKN7nZKKBdSLIdGvCwDZ9TfzbF2ffXiov8CKE445L2Z1Ek2t/m4SKQ2j6Ipv7NyUolw==
   dependencies:
     "@types/hast" "^3.0.0"
     comma-separated-tokens "^2.0.0"