diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
new file mode 100644
index 0000000..14a4e65
--- /dev/null
+++ b/.github/workflows/python-package.yml
@@ -0,0 +1,40 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Python package
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.9", "3.10", "3.11"]
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install flake8 pytest
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Test with pytest
+      run: |
+        pytest
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 34f2a4c..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,22 +0,0 @@
-sudo: required
-
-language:
-  - python
-
-python:
-  - "3.6"
-
-before_install:
-  - ./travis.sh
-
-install:
-  - pip install -r requirements.txt
-  - pip install coveralls
-
-script: 
-  - coverage run --append --include='blockchain_parser/*' --omit='*/tests/*' setup.py test
-
-after_success:
-  - if [[ $TRAVIS_PYTHON_VERSION == '3.6' ]]; then
-          coveralls;
-    fi
diff --git a/README.md b/README.md
index 5af109c..ff333df 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# bitcoin-blockchain-parser [![Build Status](https://travis-ci.org/alecalve/python-bitcoin-blockchain-parser.svg?branch=master)](https://travis-ci.org/alecalve/python-bitcoin-blockchain-parser) [![Coverage Status](https://coveralls.io/repos/alecalve/python-bitcoin-blockchain-parser/badge.svg?branch=master&service=github)](https://coveralls.io/github/alecalve/python-bitcoin-blockchain-parser?branch=master)
+# bitcoin-blockchain-parser ![Build Status](https://github.com/alecalve/python-bitcoin-blockchain-parser/actions/workflows/python-package.yml/badge.svg) [![Coverage Status](https://coveralls.io/repos/alecalve/python-bitcoin-blockchain-parser/badge.svg?branch=master&service=github)](https://coveralls.io/github/alecalve/python-bitcoin-blockchain-parser?branch=master)
 This Python 3 library provides a parser for the raw data stored by bitcoind.
 
 ## Features
diff --git a/blockchain_parser/utils.py b/blockchain_parser/utils.py
index fd04a89..407b9b2 100644
--- a/blockchain_parser/utils.py
+++ b/blockchain_parser/utils.py
@@ -12,10 +12,13 @@
 import hashlib
 import struct
 
+from ripemd import ripemd160
 
 def btc_ripemd160(data):
+    """Computes ripemd160(sha256(data))"""
+
     h1 = hashlib.sha256(data).digest()
-    r160 = hashlib.new("ripemd160")
+    r160 = ripemd160.new()
     r160.update(h1)
     return r160.digest()
 
diff --git a/requirements.txt b/requirements.txt
index 62477e9..c751a70 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 python-bitcoinlib==0.11.0
 plyvel==1.5.1
-coverage==7.4.4
\ No newline at end of file
+ripemd-hash==1.0.1
+coverage==7.4.4
diff --git a/setup.py b/setup.py
index 4f9bd63..214e177 100644
--- a/setup.py
+++ b/setup.py
@@ -20,6 +20,7 @@
     ],
     install_requires=[
         'python-bitcoinlib==0.11.0',
-        'plyvel==1.5.1'
+        'plyvel==1.5.1',
+        'ripemd-hash==1.0.1'
     ]
 )
diff --git a/travis.sh b/travis.sh
deleted file mode 100755
index c1f0dca..0000000
--- a/travis.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/sh
-
-# based on https://github.com/wbolster/plyvel/blob/fa460e431982e94034fe226faef570ce498c89ac/travis.sh
-set -e -u -x
-
-LEVELDB_VERSION=1.20
-
-wget https://github.com/google/leveldb/archive/v${LEVELDB_VERSION}.tar.gz
-tar xf v${LEVELDB_VERSION}.tar.gz
-cd leveldb-${LEVELDB_VERSION}/
-make
-
-# based on https://gist.github.com/dustismo/6203329
-sudo scp -r out-static/lib* out-shared/lib* /usr/local/lib/
-cd include/
-sudo scp -r leveldb /usr/local/include/
-sudo ldconfig