diff --git a/libs/@blockprotocol/graph/package.json b/libs/@blockprotocol/graph/package.json
index 70f646f7604..691d26a0d9a 100644
--- a/libs/@blockprotocol/graph/package.json
+++ b/libs/@blockprotocol/graph/package.json
@@ -69,7 +69,7 @@
     "@blockprotocol/type-system": "0.1.2-canary.0",
     "ajv": "8.12.0",
     "ajv-formats": "3.0.1",
-    "json-schema-to-typescript": "11.0.5",
+    "json-schema-to-typescript": "15.0.2",
     "lit": "2.4.1",
     "lodash.isequal": "4.5.0",
     "typescript": "5.5.4"
diff --git a/yarn.lock b/yarn.lock
index 156daa599cf..abe24d60221 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -69,6 +69,15 @@
     node-fetch "^2.6.7"
     web-streams-polyfill "^3.2.1"
 
+"@apidevtools/json-schema-ref-parser@^11.5.5":
+  version "11.7.0"
+  resolved "https://registry.yarnpkg.com/@apidevtools/json-schema-ref-parser/-/json-schema-ref-parser-11.7.0.tgz#228d72018a0e7cbee744b677eaa01a8968f302d9"
+  integrity sha512-pRrmXMCwnmrkS3MLgAIW5dXRzeTv6GLjkjb4HmxNnvAKXN1Nfzp4KmGADBQvlVUcqi+a5D+hfGDLLnd5NnYxog==
+  dependencies:
+    "@jsdevtools/ono" "^7.1.3"
+    "@types/json-schema" "^7.0.15"
+    js-yaml "^4.1.0"
+
 "@apollo/client@3.10.5":
   version "3.10.5"
   resolved "https://registry.yarnpkg.com/@apollo/client/-/client-3.10.5.tgz#7bc5d43b54b3d66b4fffdab6ad3cb207808041db"
@@ -10628,7 +10637,7 @@
   dependencies:
     "@types/lodash" "*"
 
-"@types/lodash@*", "@types/lodash@4.17.7", "@types/lodash@^4.14.149", "@types/lodash@^4.14.167", "@types/lodash@^4.14.182", "@types/lodash@^4.14.202", "@types/lodash@^4.17.0":
+"@types/lodash@*", "@types/lodash@4.17.7", "@types/lodash@^4.14.149", "@types/lodash@^4.14.167", "@types/lodash@^4.14.182", "@types/lodash@^4.14.202", "@types/lodash@^4.17.0", "@types/lodash@^4.17.7":
   version "4.17.7"
   resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.17.7.tgz#2f776bcb53adc9e13b2c0dfd493dfcbd7de43612"
   integrity sha512-8wTvZawATi/lsmNu10/j2hk1KEP0IvjubqPE3cu1Xz7xfXXt5oCq3SNUz4fMIP4XGF9Ky+Ue2tBA3hcS7LSBlA==
@@ -18324,7 +18333,7 @@ glob@7.1.6:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^10.2.2, glob@^10.2.6, glob@^10.3.10, glob@^10.3.16, glob@^10.3.3, glob@^10.3.7, glob@^10.4.1, glob@^10.4.2, glob@~10.4.1:
+glob@^10.2.2, glob@^10.2.6, glob@^10.3.10, glob@^10.3.12, glob@^10.3.16, glob@^10.3.3, glob@^10.3.7, glob@^10.4.1, glob@^10.4.2, glob@~10.4.1:
   version "10.4.5"
   resolved "https://registry.yarnpkg.com/glob/-/glob-10.4.5.tgz#f4d9f0b90ffdbab09c9d77f5f29b4262517b0956"
   integrity sha512-7Bv8RF0k6xjo7d4A/PxYLbUCfb6c+Vpd2/mB2yRDlew7Jb5hEXiCD9ibfO7wpk8i4sevK6DFny9h7EYbM3/sHg==
@@ -20744,7 +20753,22 @@ json-pointer@0.6.2, json-pointer@^0.6.2:
   dependencies:
     foreach "^2.0.4"
 
-json-schema-to-typescript@11.0.5, json-schema-to-typescript@^11.0.2:
+json-schema-to-typescript@15.0.2:
+  version "15.0.2"
+  resolved "https://registry.yarnpkg.com/json-schema-to-typescript/-/json-schema-to-typescript-15.0.2.tgz#afd87ba8d3140bc8c1822fcbd1f94dc10c1bd034"
+  integrity sha512-+cRBw+bBJ3k783mZroDIgz1pLNPB4hvj6nnbHTWwEVl0dkW8qdZ+M9jWhBb+Y0FAdHvNsXACga3lewGO8lktrw==
+  dependencies:
+    "@apidevtools/json-schema-ref-parser" "^11.5.5"
+    "@types/json-schema" "^7.0.15"
+    "@types/lodash" "^4.17.7"
+    glob "^10.3.12"
+    is-glob "^4.0.3"
+    js-yaml "^4.1.0"
+    lodash "^4.17.21"
+    minimist "^1.2.8"
+    prettier "^3.2.5"
+
+json-schema-to-typescript@^11.0.2:
   version "11.0.5"
   resolved "https://registry.yarnpkg.com/json-schema-to-typescript/-/json-schema-to-typescript-11.0.5.tgz#04020422b7970e1c3b2ee8b601548e8751e1cd03"
   integrity sha512-ZNlvngzlPzjYYECbR+uJ9aUWo25Gw/VuwUytvcuKiwc6NaiZhMyf7qBsxZE2eixmj8AoQEQJhSRG7btln0sUDw==
@@ -25548,7 +25572,7 @@ prettier-plugin-sh@0.14.0:
     mvdan-sh "^0.10.1"
     sh-syntax "^0.4.1"
 
-prettier@3.3.3:
+prettier@3.3.3, prettier@^3.2.5:
   version "3.3.3"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.3.3.tgz#30c54fe0be0d8d12e6ae61dbb10109ea00d53105"
   integrity sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==