diff --git a/.travis.yml b/.travis.yml
index f957eda..5ba8d69 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ notifications:
     on_success: never
     on_failure: always
 
-install: pip install -r requirements.txt
+install: python3 setup.py install
 
 before_script: pip install pytest
 
diff --git a/README.md b/README.md
index cc368f6..faefb2f 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,11 @@ A cryptocurrency address inspection/validation library for python.
 * zcash
 
 ## Installation
+From `setup.py`:
+```commandline
+python setup.py install
+```
+Pip:
 ```shell
 pip3 install coinaddrng
 ```
diff --git a/coinaddrng/__init__.py b/coinaddrng/__init__.py
index 1c86817..9d9b124 100644
--- a/coinaddrng/__init__.py
+++ b/coinaddrng/__init__.py
@@ -16,7 +16,7 @@
 :license: MIT, see LICENSE for more details.
 """
 
-__version__ = '1.0.30'
+__version__ = '1.1.0'
 
 from . import interfaces, currency, validation
 from .validation import validate
diff --git a/coinaddrng/validation.py b/coinaddrng/validation.py
index 01c18c8..215acb6 100644
--- a/coinaddrng/validation.py
+++ b/coinaddrng/validation.py
@@ -15,8 +15,8 @@
 
 from zope.interface import implementer, provider
 import attr
-import sha3
 import base58check
+from Crypto.Hash import keccak
 import math
 from binascii import unhexlify, crc32
 import base64
@@ -510,11 +510,14 @@ def validate(self):
 
         # Ethereum address is generated by keccak algorithm and has to
         # hexadecimal
-        addr_hash = sha3.keccak_256(addr.lower().encode('ascii')).hexdigest()
+        kh = keccak.new(digest_bits=256)
+        kh.update(addr.lower().encode('ascii'))
+        addr_hash = kh.hexdigest()
+
         for i, letter in enumerate(addr):
             if any([
-                    int(addr_hash[i], 16) >= 8 and letter.upper() != letter,
-                    int(addr_hash[i], 16) < 8 and letter.lower() != letter
+                int(addr_hash[i], 16) >= 8 and letter.upper() != letter,
+                int(addr_hash[i], 16) < 8 and letter.lower() != letter
             ]):
                 return False
         return True
@@ -522,22 +525,6 @@ def validate(self):
     def validate_extended(self):
         return False
 
-    #def validate(self):
-    #    """Validate the address."""
-    #    address = self.request.address.decode()
-    #    if any(bool(pat.match(address))
-    #           for pat in self.non_checksummed_patterns):
-    #        return True
-    #    addr = address.lstrip('0x')
-    #    addr_hash = sha3.keccak_256(addr.lower().encode('ascii')).hexdigest()
-    #    for i in range(0, len(addr)):
-    #        if any([
-    #                int(addr_hash[i], 16) > 7 and addr[i].upper() != addr[i],
-    #                int(addr_hash[i], 16) <= 7 and addr[i].lower() != addr[i]
-    #        ]):
-    #            return False
-    #    return True
-
     @property
     def network(self):
         """Return network derived from network version bytes."""
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 8a00f0b..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-zope
-attrs>=17.4.0
-pysha3>=1.0.2
-base58check>=1.0.1
-zope.interface>=4.4.3
-bech32
-cbor
-blake256
-groestlcoin_hash2
-crc16
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 81bc4d2..0b1a829 100644
--- a/setup.py
+++ b/setup.py
@@ -41,14 +41,15 @@
     license='MIT',
     install_requires=[
         'attrs>=17.4.0',
-        'pysha3>=1.0.2',
         'base58check>=1.0.1',
+        'bech32',
+        'blake256',
+        'cbor',
+        'crc16',
+        'groestlcoin_hash2',
+        'pycryptodome',
+        'zope',
         'zope.interface>=4.4.3',
-        'crc16>=0.1.1',
-        'blake256>=0.1.1',
-        'cbor>=1.0.0',
-        'bech32>=1.1.0',
-        'groestlcoin-hash2>=1.1.1'
     ],
     zip_safe=False,
     packages=find_packages(),
@@ -62,7 +63,7 @@
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: >=3.6',
         'Programming Language :: Python :: 3 :: Only',
         'Topic :: Internet :: WWW/HTTP',
         'Topic :: Software Development',