diff --git a/package.json b/package.json
index 7545607..b6e7b6d 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   "devDependencies": {
     "@cycle/run": "5.7.0",
     "@herp-inc/eslint-config": "202409.1.1",
-    "@rollup/plugin-typescript": "11.1.6",
+    "@rollup/plugin-typescript": "12.1.0",
     "@typescript-eslint/eslint-plugin": "7.18.0",
     "@typescript-eslint/parser": "7.18.0",
     "eslint": "8.57.1",
diff --git a/yarn.lock b/yarn.lock
index 95d94ac..f978c7f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -87,10 +87,10 @@
     "@nodelib/fs.scandir" "2.1.5"
     fastq "^1.6.0"
 
-"@rollup/plugin-typescript@11.1.6":
-  version "11.1.6"
-  resolved "https://registry.yarnpkg.com/@rollup/plugin-typescript/-/plugin-typescript-11.1.6.tgz#724237d5ec12609ec01429f619d2a3e7d4d1b22b"
-  integrity sha512-R92yOmIACgYdJ7dJ97p4K69I8gg6IEHt8M7dUBxN3W6nrO8uUxX5ixl0yU/N3aZTi8WhPuICvOHXQvF6FaykAA==
+"@rollup/plugin-typescript@12.1.0":
+  version "12.1.0"
+  resolved "https://registry.yarnpkg.com/@rollup/plugin-typescript/-/plugin-typescript-12.1.0.tgz#2b357972091d1a8f71b8c9ce5a6e95fe1473bf77"
+  integrity sha512-Kzs8KGJofe7cfTRODsnG1jNGxSvU8gVoNNd7Z/QaY25AYwe2LSSUpx/kPxqF38NYkpR8de3m51r9uwJpDlz6dg==
   dependencies:
     "@rollup/pluginutils" "^5.1.0"
     resolve "^1.22.1"