diff --git a/.travis.yml b/.travis.yml
index 5311ecf..3ea9ff5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -29,8 +29,6 @@ matrix:
       osx_image: xcode10.2
       language: shell
       env: TOXENV=py37 ESCPOS_CAPABILITIES_FILE=/Users/travis/build/python-escpos/python-escpos/capabilities-data/dist/capabilities.json
-    - python: 3.4
-      env: TOXENV=py34
     - python: 3.5
       env: TOXENV=py35
     - python: 3.6
diff --git a/README.rst b/README.rst
index 3eebf6d..1cf2e6c 100644
--- a/README.rst
+++ b/README.rst
@@ -47,7 +47,7 @@ This library makes use of:
 * `Pillow <https://github.com/python-pillow/Pillow>`_ for image printing
 * `qrcode <https://github.com/lincolnloop/python-qrcode>`_ for the generation of QR-codes
 * `pyserial <https://github.com/pyserial/pyserial>`_ for serial printers
-* `viivakoodi <https://github.com/kxepal/viivakoodi>`_ for the generation of barcodes
+* `python-barcode <https://github.com/WhyNotHugo/python-barcode>`_ for the generation of barcodes
 
 Documentation and Usage
 -----------------------
diff --git a/doc/requirements.txt b/doc/requirements.txt
index 9f38356..89cd833 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -5,4 +5,4 @@ pyserial
 sphinx-rtd-theme
 setuptools-scm
 docutils>=0.12
-viivakoodi
+python-barcode>=0.11.0,<1
diff --git a/setup.py b/setup.py
index 631787e..5f5e11f 100755
--- a/setup.py
+++ b/setup.py
@@ -62,7 +62,6 @@ setup(
         'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
@@ -82,7 +81,7 @@ setup(
         'argparse',
         'argcomplete',
         'future',
-        'viivakoodi>=0.8'
+        'python-barcode>=0.9.1,<1'
     ],
     setup_requires=[
         'setuptools_scm',
diff --git a/tox.ini b/tox.ini
index 723ddf9..48b07b5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py34, py35, py36, py37, docs, flake8
+envlist = py35, py36, py37, docs, flake8
 
 [testenv]
 deps = nose
@@ -11,7 +11,7 @@ deps = nose
        pytest-cov
        pytest-mock
        hypothesis!=3.56.9,<4
-       viivakoodi
+       python-barcode
 commands = py.test --cov escpos
 passenv = ESCPOS_CAPABILITIES_PICKLE_DIR ESCPOS_CAPABILITIES_FILE CI TRAVIS TRAVIS_* APPVEYOR APPVEYOR_* CODECOV_*
 
@@ -20,7 +20,7 @@ basepython = python
 changedir = doc
 deps = sphinx>=1.5.1
        setuptools_scm
-       viivakoodi
+       python-barcode
 commands = sphinx-build -W -b html -d {envtmpdir}/doctrees .  {envtmpdir}/html
 
 [testenv:flake8]