diff --git a/jeepyb/cmd/close_pull_requests.py b/jeepyb/cmd/close_pull_requests.py
index ad41f41..4ead4ad 100644
--- a/jeepyb/cmd/close_pull_requests.py
+++ b/jeepyb/cmd/close_pull_requests.py
@@ -39,7 +39,7 @@
 # oauth_token = GITHUB_OAUTH_TOKEN
 
 import argparse
-import ConfigParser
+from six.moves import configparser
 import github
 import logging
 import os
@@ -87,7 +87,7 @@ def main():
     GITHUB_SECURE_CONFIG = os.environ.get('GITHUB_SECURE_CONFIG',
                                           '/etc/github/github.secure.config')
 
-    secure_config = ConfigParser.ConfigParser()
+    secure_config = configparser.ConfigParser()
     secure_config.read(GITHUB_SECURE_CONFIG)
     registry = u.ProjectsRegistry()
 
diff --git a/jeepyb/cmd/manage_projects.py b/jeepyb/cmd/manage_projects.py
index d97875f..d4362c1 100644
--- a/jeepyb/cmd/manage_projects.py
+++ b/jeepyb/cmd/manage_projects.py
@@ -51,7 +51,7 @@
 #     project: OTHER_PROJECT_NAME
 
 import argparse
-import ConfigParser
+from six.moves import configparser
 import glob
 import hashlib
 import json
@@ -273,7 +273,7 @@ def create_update_github_project(
     if not needs_update:
         return False
 
-    secure_config = ConfigParser.ConfigParser()
+    secure_config = configparser.ConfigParser()
     secure_config.read(github_secure_config)
 
     global orgs
diff --git a/jeepyb/cmd/openstackwatch.py b/jeepyb/cmd/openstackwatch.py
index 47add37..1064fc7 100644
--- a/jeepyb/cmd/openstackwatch.py
+++ b/jeepyb/cmd/openstackwatch.py
@@ -23,7 +23,7 @@ from __future__ import print_function
 
 __author__ = "Chmouel Boudjnah <chmouel@chmouel.com>"
 
-import ConfigParser
+from six.moves import configparser
 import cStringIO
 import datetime
 import json
@@ -63,7 +63,7 @@ def parse_ini(inifile):
     ret = {}
     if not os.path.exists(inifile):
         return
-    config = ConfigParser.RawConfigParser(allow_no_value=True)
+    config = configparser.RawConfigParser(allow_no_value=True)
     config.read(inifile)
 
     if config.has_section('swift'):
diff --git a/jeepyb/cmd/update_blueprint.py b/jeepyb/cmd/update_blueprint.py
index 97cf6b2..0649dff 100644
--- a/jeepyb/cmd/update_blueprint.py
+++ b/jeepyb/cmd/update_blueprint.py
@@ -18,7 +18,7 @@
 # corresponding Launchpad blueprints with links back to the change.
 
 import argparse
-import ConfigParser
+from six.moves import configparser
 import os
 import re
 import StringIO
@@ -55,7 +55,7 @@ def get_broken_config(filename):
             text = "%s%s" % (text, line.lstrip())
 
     fp = StringIO.StringIO(text)
-    c = ConfigParser.ConfigParser()
+    c = configparser.ConfigParser()
     c.readfp(fp)
     return c
 
diff --git a/jeepyb/gerritdb.py b/jeepyb/gerritdb.py
index 79f311a..963f997 100644
--- a/jeepyb/gerritdb.py
+++ b/jeepyb/gerritdb.py
@@ -14,7 +14,7 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import ConfigParser
+from six.moves import configparser
 import os
 import StringIO
 
@@ -35,7 +35,7 @@ def get_broken_config(filename):
         text += line.lstrip()
 
     fp = StringIO.StringIO(text)
-    c = ConfigParser.ConfigParser()
+    c = configparser.ConfigParser()
     c.readfp(fp)
     return c
 
diff --git a/jeepyb/projects.py b/jeepyb/projects.py
index 043f7cf..bcf29b2 100644
--- a/jeepyb/projects.py
+++ b/jeepyb/projects.py
@@ -26,7 +26,7 @@ Expected review.projects.yaml format:
     - no-launchpad-blueprints
 """
 
-import ConfigParser
+from six.moves import configparser
 
 import jeepyb.utils as u
 
@@ -69,7 +69,7 @@ def has_github(project_full_name):
                 # ...and if it's not set, then still don't use it.
                 return False
     # It's okay if the global option or even the section for this don't exist.
-    except (ConfigParser.NoSectionError, ConfigParser.NoOptionError):
+    except (configparser.NoSectionError, configparser.NoOptionError):
         pass
     # If we got this far, we either explicitly or implicitly default to use it.
     return True
diff --git a/jeepyb/utils.py b/jeepyb/utils.py
index 21ae550..2a0efd2 100644
--- a/jeepyb/utils.py
+++ b/jeepyb/utils.py
@@ -12,7 +12,7 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
-import ConfigParser
+from six.moves import configparser
 import logging
 import os
 import shlex
@@ -196,7 +196,7 @@ class ProjectsRegistry(object):
             self._configs_list = self.yaml_doc[1]
 
         if os.path.exists(PROJECTS_INI):
-            self.defaults = ConfigParser.ConfigParser()
+            self.defaults = configparser.ConfigParser()
             self.defaults.read(PROJECTS_INI)
         else:
             try:
diff --git a/tox.ini b/tox.ini
index 925577c..835b4ac 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,6 +5,7 @@ envlist = pep8
 setenv = VIRTUAL_ENV={envdir}
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
+basepython = python3
 
 [testenv:pep8]
 commands = flake8