diff --git a/README.md b/README.md
index 3a969a5..d16dde3 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Auditable & minimal JS implementation of Salsa20, ChaCha and AES.
 - 💼 AES: ECB, CBC, CTR, CFB, GCM, SIV (nonce misuse-resistant), AESKW, AESKWP
 - 💃 Salsa20, ChaCha, XSalsa20, XChaCha, ChaCha8, ChaCha12, Poly1305
 - 🥈 Two AES implementations: pure JS or friendly wrapper around webcrypto
-- 🪶 45KB (8KB gzipped) for everything, 10KB (3KB gzipped) for ChaCha build
+- 🪶 53KB (9KB gzipped) for everything, 7KB (3KB gzipped) for ChaCha build
 
 Take a glance at [GitHub Discussions](https://github.com/paulmillr/noble-ciphers/discussions) for questions and support.
 
diff --git a/build/package-lock.json b/build/package-lock.json
index f890d54..d10204c 100644
--- a/build/package-lock.json
+++ b/build/package-lock.json
@@ -14,7 +14,7 @@
     },
     "..": {
       "name": "@noble/ciphers",
-      "version": "0.6.0",
+      "version": "1.0.0",
       "dev": true,
       "license": "MIT",
       "devDependencies": {
@@ -26,6 +26,9 @@
         "prettier": "3.3.2",
         "typescript": "5.5.2"
       },
+      "engines": {
+        "node": "^14.21.3 || >=16"
+      },
       "funding": {
         "url": "https://paulmillr.com/funding/"
       }
diff --git a/package-lock.json b/package-lock.json
index 618e056..47dbb6f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@noble/ciphers",
-  "version": "0.6.0",
+  "version": "1.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@noble/ciphers",
-      "version": "0.6.0",
+      "version": "1.0.0",
       "license": "MIT",
       "devDependencies": {
         "@paulmillr/jsbt": "0.2.1",
@@ -17,6 +17,9 @@
         "prettier": "3.3.2",
         "typescript": "5.5.2"
       },
+      "engines": {
+        "node": "^14.21.3 || >=16"
+      },
       "funding": {
         "url": "https://paulmillr.com/funding/"
       }
diff --git a/package.json b/package.json
index a7881d4..0df5ecc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@noble/ciphers",
-  "version": "0.6.0",
+  "version": "1.0.0",
   "description": "Audited & minimal JS implementation of Salsa20, ChaCha and AES",
   "files": [
     "esm",