diff --git a/package.json b/package.json
index 84e7551..513e193 100644
--- a/package.json
+++ b/package.json
@@ -14,9 +14,9 @@
     "lint": "standardx -v \"./**/*.ts\"",
     "test": "npm run lint && node test/cli.js | tap-arc && npm run test-html",
     "test-html": "npm run lint && node test/index.js | tap-arc",
-    "build-cjs": "esbuild src/**/*.ts --format=cjs --keep-names --outdir=./dist --out-extension:.js=.cjs",
+    "build-cjs": "esbuild src/**/*.ts --tsconfig=tsconfig.build.json --format=cjs --keep-names --outdir=./dist --out-extension:.js=.cjs",
     "build-bin": "mkdir -p ./dist/bin && rm -rf ./dist/bin/* && cp ./bin/to-string.js ./bin/resize.js ./dist/bin",
-    "build": "mkdir -p ./dist && rm -rf ./dist/* && npm run build-cjs && tsc && npm run cp-css && npm run build-tonic && npm run build-bin",
+    "build": "mkdir -p ./dist && rm -rf ./dist/* && npm run build-cjs && tsc --project tsconfig.build.json && npm run cp-css && npm run build-tonic && npm run build-bin",
     "build-tonic": "cp ./src/cloudinary/tonic.js ./dist/cloudinary && cp ./src/tonic.js ./dist",
     "cp-css": "cp ./src/*.css ./dist",
     "preversion": "npm run lint",
diff --git a/tsconfig.build.json b/tsconfig.build.json
new file mode 100644
index 0000000..cfbd238
--- /dev/null
+++ b/tsconfig.build.json
@@ -0,0 +1,7 @@
+{
+    "extends": "./tsconfig.json",
+    "exclude": [
+        "example",
+        "test"
+    ]
+}