diff --git a/.travis.yml b/.travis.yml
index a7cf803..2e00141 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,13 +1,8 @@
 language: python
 dist: xenial
-# require sudo to avoid Travis falling back to trusty; see
-# https://github.com/travis-ci/travis-ci/issues/10110 and also
-# https://github.com/travis-ci/travis-ci/issues/9069
-sudo: required
 
 python:
   - "2.7"
-  - "3.4"
   - "3.5"
   - "3.6"
   - "3.7"
@@ -18,10 +13,8 @@ matrix:
   include:
     - python: "pypy"
       dist: trusty
-      sudo: False
     - python: "pypy3"
       dist: trusty
-      sudo: False
 
 install:
   - git config --global user.email "bumpversion-test-git@travis.ci"
diff --git a/Dockerfile b/Dockerfile
index b714f1d..c48ae38 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,7 +16,7 @@ RUN pyenv install "$PYPY3_VERSION"
 
 # only install certain versions for tox to use
 RUN pyenv versions
-RUN pyenv global system 2.7.15 3.4.9 3.5.6 3.6.6 3.7.0 "$PYPY_VERSION" "$PYPY3_VERSION"
+RUN pyenv global system 2.7.15 3.5.6 3.6.6 3.7.0 "$PYPY_VERSION" "$PYPY3_VERSION"
 
 RUN git config --global user.email "bumpversion_test@example.org"
 RUN git config --global user.name "Bumpversion Test"
diff --git a/appveyor.yml b/appveyor.yml
index ccb7b5e..f753567 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -11,9 +11,6 @@ environment:
     - PYTHON: "C:/Python27"
       TOXENV: "py27-configparser"
 
-    - PYTHON: "C:/Python34"
-      TOXENV: "py34"
-
     - PYTHON: "C:/Python35"
       TOXENV: "py35"
 
diff --git a/setup.py b/setup.py
index d5fab15..6743058 100644
--- a/setup.py
+++ b/setup.py
@@ -27,6 +27,7 @@
             'bump2version = bumpversion.cli:main',
         ]
     },
+    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*',
     classifiers=[
         'Development Status :: 4 - Beta',
         'Intended Audience :: Developers',
@@ -36,7 +37,6 @@
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
diff --git a/tox.ini b/tox.ini
index a0ffcb3..92ea3bb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, py27-configparser, py34, py35, py36, py37, pypy, pypy3
+envlist = py27, py27-configparser, py35, py36, py37, pypy, pypy3
 
 [testenv]
 passenv = HOME