diff --git a/package-lock.json b/package-lock.json
index c86314d..a160549 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
         "eslint-plugin-tree-shaking": "^1.10.0",
         "np": "^7.6.2",
         "prettier": "^2.8.0",
-        "rollup": "^3.5.0",
+        "rollup": "^3.21.5",
         "rollup-plugin-typescript2": "^0.34.1",
         "typescript": "^4.9.3",
         "vitest": "^0.25.3"
@@ -5695,9 +5695,9 @@
       }
     },
     "node_modules/rollup": {
-      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-3.5.0.tgz",
-      "integrity": "sha512-TYu2L+TGhmNsXCtByont89u+ATQLcDy6A+++PwLXYunRtOm7XnaD+65s1pvewaOxMYR0eOkMXn9/i0saBxxpnQ==",
+      "version": "3.21.5",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-3.21.5.tgz",
+      "integrity": "sha512-a4NTKS4u9PusbUJcfF4IMxuqjFzjm6ifj76P54a7cKnvVzJaG12BLVR+hgU2YDGHzyMMQNxLAZWuALsn8q2oQg==",
       "dev": true,
       "bin": {
         "rollup": "dist/bin/rollup"
@@ -10655,9 +10655,9 @@
       }
     },
     "rollup": {
-      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-3.5.0.tgz",
-      "integrity": "sha512-TYu2L+TGhmNsXCtByont89u+ATQLcDy6A+++PwLXYunRtOm7XnaD+65s1pvewaOxMYR0eOkMXn9/i0saBxxpnQ==",
+      "version": "3.21.5",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-3.21.5.tgz",
+      "integrity": "sha512-a4NTKS4u9PusbUJcfF4IMxuqjFzjm6ifj76P54a7cKnvVzJaG12BLVR+hgU2YDGHzyMMQNxLAZWuALsn8q2oQg==",
       "dev": true,
       "requires": {
         "fsevents": "~2.3.2"
diff --git a/package.json b/package.json
index ba9a4e3..7c0b4b6 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "eslint-plugin-tree-shaking": "^1.10.0",
     "np": "^7.6.2",
     "prettier": "^2.8.0",
-    "rollup": "^3.5.0",
+    "rollup": "^3.21.5",
     "rollup-plugin-typescript2": "^0.34.1",
     "typescript": "^4.9.3",
     "vitest": "^0.25.3"
diff --git a/tsconfig.json b/tsconfig.json
index 7ef5136..a411dd6 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,16 +1,22 @@
 {
   "compilerOptions": {
+    "allowJs": false,
     "baseUrl": ".",
+    "declaration": true,
+    "declarationDir": "./dist/types/",
+    "downlevelIteration": true,
+    "esModuleInterop": true,
+    "isolatedModules": true,
+    "lib": ["esnext", "DOM", "DOM.Iterable"],
     "module": "esnext",
-    "target": "es2019",
-    "lib": ["esnext", "DOM"],
-    "strict": true,
     "moduleResolution": "node",
-    "isolatedModules": true,
-    "esModuleInterop": true,
+    "noImplicitReturns": true,
+    "noUnusedLocals": true,
     "skipLibCheck": true,
-    "declaration": true,
-    "declarationDir": "./dist/types/"
+    "sourceMap": true,
+    "strict": true,
+    "target": "es2019",
+    "useDefineForClassFields": true
   },
   "include": ["src/**/*", "test/**/*"]
 }