diff --git a/package.json b/package.json
index f2ae4c3..5e809b0 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
 	"homepage": "https://github.com/three11/scrollspy#readme",
 	"dependencies": {},
 	"devDependencies": {
-		"@rollup/plugin-typescript": "11.1.6",
+		"@rollup/plugin-typescript": "12.1.1",
 		"rollup": "4.27.4",
 		"rollup-plugin-terser": "7.0.2",
 		"tslib": "2.8.1",
diff --git a/yarn.lock b/yarn.lock
index bbea613..654f1f2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -63,10 +63,10 @@
     "@jridgewell/resolve-uri" "^3.0.3"
     "@jridgewell/sourcemap-codec" "^1.4.10"
 
-"@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@12.1.1":
+  version "12.1.1"
+  resolved "https://registry.yarnpkg.com/@rollup/plugin-typescript/-/plugin-typescript-12.1.1.tgz#008d16b8283a422650c463f99ae0c610cf6c9727"
+  integrity sha512-t7O653DpfB5MbFrqPe/VcKFFkvRuFNp9qId3xq4Eth5xlyymzxNpye2z8Hrl0RIMuXTSr5GGcFpkdlMeacUiFQ==
   dependencies:
     "@rollup/pluginutils" "^5.1.0"
     resolve "^1.22.1"