diff --git a/package-lock.json b/package-lock.json
index 48384e3..b4c916e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
       "devDependencies": {
         "@eslint/eslintrc": "^3.1.0",
         "@eslint/js": "^9.11.0",
-        "@rollup/plugin-typescript": "^11.1.5",
+        "@rollup/plugin-typescript": "^12.1.0",
         "@types/chai": "^4.3.11",
         "@types/chai-spies": "^1.0.6",
         "@types/geojson": "^7946.0.13",
@@ -1039,9 +1039,9 @@
       }
     },
     "node_modules/@rollup/plugin-typescript": {
-      "version": "11.1.6",
-      "resolved": "https://registry.npmjs.org/@rollup/plugin-typescript/-/plugin-typescript-11.1.6.tgz",
-      "integrity": "sha512-R92yOmIACgYdJ7dJ97p4K69I8gg6IEHt8M7dUBxN3W6nrO8uUxX5ixl0yU/N3aZTi8WhPuICvOHXQvF6FaykAA==",
+      "version": "12.1.0",
+      "resolved": "https://registry.npmjs.org/@rollup/plugin-typescript/-/plugin-typescript-12.1.0.tgz",
+      "integrity": "sha512-Kzs8KGJofe7cfTRODsnG1jNGxSvU8gVoNNd7Z/QaY25AYwe2LSSUpx/kPxqF38NYkpR8de3m51r9uwJpDlz6dg==",
       "dev": true,
       "dependencies": {
         "@rollup/pluginutils": "^5.1.0",
diff --git a/package.json b/package.json
index 2096944..4593f8f 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
   "devDependencies": {
     "@eslint/eslintrc": "^3.1.0",
     "@eslint/js": "^9.11.0",
-    "@rollup/plugin-typescript": "^11.1.5",
+    "@rollup/plugin-typescript": "^12.1.0",
     "@types/chai": "^4.3.11",
     "@types/chai-spies": "^1.0.6",
     "@types/geojson": "^7946.0.13",