diff --git a/README.md b/README.md
index afc95b7..bf2bf8f 100644
--- a/README.md
+++ b/README.md
@@ -34,11 +34,9 @@ Will be installed automatically through `composer install`:
 - [deemru/curve25519](https://packagist.org/packages/deemru/curve25519)
 - [deemru/cryptash](https://packagist.org/packages/deemru/cryptash)
 - [deemru/pairs](https://packagist.org/packages/deemru/pairs)
-- [composer/ca-bundle](https://packagist.org/packages/composer/ca-bundle)
-- [cURL](http://php.net/manual/en/book.curl.php)
-- [GMP](http://php.net/manual/en/book.gmp.php)
+- [deemru/cloaked](https://packagist.org/packages/deemru/cloaked)
+- [deemru/fetcher](https://packagist.org/packages/deemru/fetcher)
 - [Multibyte String](http://php.net/manual/en/book.mbstring.php)
-- [SQLite (PDO)](http://php.net/manual/en/ref.pdo-sqlite.php)
 
 ## Recommended
 
diff --git a/composer.json b/composer.json
index 84b3dfe..5e9a7b8 100644
--- a/composer.json
+++ b/composer.json
@@ -13,18 +13,15 @@
     ],
     "require": {
         "php": ">=5.6",
-        "deemru/abcode": "1.0.*",
-        "deemru/blake2b": "1.0.*",
-        "deemru/curve25519": "1.0.*",
-        "deemru/cryptash": "1.0.*",
-        "deemru/pairs": "1.0.*",
-        "composer/ca-bundle": "*",
-        "google/protobuf": "^3.13",
-        "ext-curl": "*",
-        "ext-gmp": "*",
-        "ext-mbstring": "*",
+        "deemru/abcode": "^1.0",
+        "deemru/blake2b": "^1.0",
+        "deemru/curve25519": "^1.0",
+        "deemru/cryptash": "^1.0",
+        "deemru/pairs": "^1.0",
         "deemru/cloaked": "^1.0",
-        "deemru/fetcher": "^1.0"
+        "deemru/fetcher": "^1.0",
+        "google/protobuf": "^3.13",
+        "ext-mbstring": "*"
     },
     "suggest": {
         "ext-sodium": "Up to ~2000x faster sign/verify"