diff --git a/.gitignore b/.gitignore
index d968c99..55d0b5b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,7 @@
 /bip39
 /test-builds
 /node_modules
-/.parcel-cache
+.parcel-cache
 /esm
 /test/node_modules
 /test/package-lock.json
diff --git a/tsconfig.prod.esm.json b/tsconfig.prod.esm.json
index ae9efa1..57d92b9 100644
--- a/tsconfig.prod.esm.json
+++ b/tsconfig.prod.esm.json
@@ -5,6 +5,7 @@
     "module": "es6",
     "moduleResolution": "node",
     "strict": true,
+    "declaration": true,
     "rootDir": "src",
     "outDir": "esm"
   },