diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index 29495df..146a71b 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [ 14, 16, 18, 19 ]
+        node-version: [ 16, 18, 20 ]
     steps:
     - uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}
diff --git a/Makefile b/Makefile
index 4865c3b..5897963 100755
--- a/Makefile
+++ b/Makefile
@@ -7,6 +7,7 @@ ALL=\
 
 all: $(ALL)
 
+# ES5 - CommonJS for browsers
 dist/sha256-uint8array.min.js: build/bundle.js
 	@mkdir -p dist
 	node_modules/.bin/terser -c -m --mangle-props "regex=/^_/" --ecma 5 -o $@ $<
@@ -18,12 +19,15 @@ build/bundle.js: build/es5/sha256-uint8array.js
 	echo '})(SHA256)' >> $@
 	perl -i -pe 's#^("use strict"|Object.defineProperty|exports.*= void 0)#// $$&#' $@
 
+# ES5 - CommonJS
 build/es5/%.js: lib/%.ts
 	node_modules/.bin/tsc -p tsconfig-es5.json
 
+# ES2021 - ES Module
 build/esm/%.js:
 	node_modules/.bin/tsc -p tsconfig-esm.json
 
+# ES2021 - ES Module
 dist/%.mjs: build/esm/%.js
 	cp $^ $@
 
@@ -33,11 +37,12 @@ build/test.js: all
 	node_modules/.bin/browserify -o $@ test/*.js \
 		-t [ browserify-sed 's#(require\("(?:../)+)("\))#$$1browser/import$$2#' ]
 
+# ES2021 - CommonJS
 lib/%.js: lib/%.ts
 	node_modules/.bin/tsc -p tsconfig.json
 
 clean:
-	/bin/rm -fr build dist/*.js lib/*.js test/*.js
+	/bin/rm -fr $(ALL) build/ lib/*.js test/*.js
 
 sizes:
 	wc -c dist/sha256-uint8array.min.js
diff --git a/package.json b/package.json
index 0a683cc..b7cdcd9 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "sha256-uint8array",
   "description": "Fast SHA-256 digest hash based on Uint8Array, pure JavaScript.",
-  "version": "0.10.5",
+  "version": "0.10.6",
   "author": "Yusuke Kawasaki <u-suke@kawa.net>",
   "bugs": {
     "url": "https://github.com/kawanet/sha256-uint8array/issues"
@@ -19,15 +19,20 @@
     "crypto-js": "^4.1.1",
     "hash.js": "^1.1.7",
     "jshashes": "^1.0.8",
-    "jssha": "^3.3.0",
+    "jssha": "^3.3.1",
     "mocha": "^10.2.0",
     "sha.js": "^2.4.11",
-    "terser": "^5.16.4",
-    "typescript": "^4.9.5"
+    "terser": "^5.19.2",
+    "typescript": "^5.1.6"
   },
   "exports": {
-    "require": "./lib/sha256-uint8array.js",
-    "import": "./dist/sha256-uint8array.mjs"
+    ".": {
+      "require": "./lib/sha256-uint8array.js",
+      "import": {
+        "default": "./dist/sha256-uint8array.mjs",
+        "types": "./types/sha256-uint8array.d.ts"
+      }
+    }
   },
   "files": [
     "LICENSE",
diff --git a/test/99.benchmark.ts b/test/99.benchmark.ts
index bd1aed4..93f5a5b 100644
--- a/test/99.benchmark.ts
+++ b/test/99.benchmark.ts
@@ -8,7 +8,7 @@ const TITLE = __filename.split("/").pop()!!;
 
 const isBrowser = ("undefined" !== typeof window);
 const isLegacy = ("function" !== typeof TextEncoder);
-const REPEAT = process.env.REPEAT || (isBrowser ? (isLegacy ? 1000 : 10000) : 10000);
+const REPEAT = +(process.env.REPEAT || (isBrowser ? (isLegacy ? 1000 : 10000) : 10000));
 const SLEEP = (ms: number) => new Promise(resolve => setTimeout(resolve, ms));
 const stringToArray = (str: string) => [].map.call(unescape(encodeURIComponent(str)), (c: string) => c.charCodeAt(0))
 
diff --git a/tsconfig-esm.json b/tsconfig-esm.json
index db152ee..b8ab595 100644
--- a/tsconfig-esm.json
+++ b/tsconfig-esm.json
@@ -14,6 +14,6 @@
     "removeComments": false,
     "skipLibCheck": true,
     "strictNullChecks": true,
-    "target": "ES2020"
+    "target": "ES2021"
   }
 }
diff --git a/tsconfig.json b/tsconfig.json
index 0ce7bfd..8db64d1 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -13,6 +13,6 @@
     "removeComments": false,
     "skipLibCheck": true,
     "strictNullChecks": true,
-    "target": "ES2020"
+    "target": "ES2021"
   }
 }