diff --git a/.zuul.yaml b/.zuul.yaml
index 6dabeb39..0e776c6c 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -50,19 +50,14 @@
         c-vol: false
         cinder: false
         horizon: false
+      devstack_localrc:
+        USE_PYTHON3: true
     irrelevant-files:
       - ^.*\.rst$
       - ^.*\.md$
       - ^doc/.*$
       - ^releasenotes/.*$
 
-- job:
-    name: monascalog-python2-tempest
-    parent: monascalog-tempest-base
-    vars:
-      devstack_localrc:
-        TEMPEST_PLUGINS: /opt/stack/monasca-tempest-plugin
-
 - job:
     name: monascalog-python3-tempest
     parent: monascalog-tempest-base
@@ -76,19 +71,16 @@
       - check-requirements
       - openstack-cover-jobs
       - openstack-lower-constraints-jobs
-      - openstack-python-jobs
-      - openstack-python3-train-jobs
+      - openstack-python3-ussuri-jobs
       - publish-openstack-docs-pti
       - release-notes-jobs-python3
     check:
       jobs:
-        - monascalog-python2-tempest
         - monascalog-python3-tempest
         - build-monasca-docker-image
     gate:
       queue: monasca
       jobs:
-        - monascalog-python2-tempest
         - monascalog-python3-tempest
     post:
       jobs:
diff --git a/releasenotes/notes/drop-py-2-7-02f3af38da6f6634.yaml b/releasenotes/notes/drop-py-2-7-02f3af38da6f6634.yaml
new file mode 100644
index 00000000..882a169e
--- /dev/null
+++ b/releasenotes/notes/drop-py-2-7-02f3af38da6f6634.yaml
@@ -0,0 +1,6 @@
+---
+upgrade:
+  - |
+    Python 2.7 support has been dropped. Last release of monasca-log-api
+    to support python 2.7 is OpenStack Train. The minimum version of Python now
+    supported by monasca-log-api is Python 3.6.
diff --git a/setup.cfg b/setup.cfg
index 45893d45..42ef000d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -13,8 +13,6 @@ classifier =
     License :: OSI Approved :: Apache Software License
     Operating System :: POSIX :: Linux
     Programming Language :: Python
-    Programming Language :: Python :: 2
-    Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
diff --git a/test-requirements.txt b/test-requirements.txt
index 5621797b..f0e2c5bf 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -16,7 +16,6 @@ simplejson>=3.5.1 # MIT
 
 # documentation
 doc8>=0.6.0 # Apache-2.0
-sphinx!=1.6.6,!=1.6.7,>=1.6.2,<2.0.0;python_version=='2.7'  # BSD
 sphinx!=1.6.6,!=1.6.7,!=2.1.0,>=1.6.2;python_version>='3.4'  # BSD
 os-api-ref>=1.4.0 # Apache-2.0
 reno>=2.5.0 # Apache-2.0
diff --git a/tox.ini b/tox.ini
index 6937098c..e86ab3b8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,10 @@
 [tox]
-envlist = py27,py37,pep8,cover
+envlist = py37,pep8,cover
 minversion = 2.7
 skipsdist = True
 
 [testenv]
+basepython = python3
 usedevelop = True
 setenv = VIRTUAL_ENV={envdir}
          OS_TEST_PATH=monasca_log_api/tests
@@ -23,7 +24,6 @@ commands =
 
 [testenv:cover]
 description = Calculates code coverage
-basepython = python3
 setenv =
     PYTHON=coverage run --source monasca_log_api --parallel-mode
 commands =
@@ -33,20 +33,17 @@ commands =
   coverage xml -o cover/coverage.xml
 
 [testenv:debug]
-basepython = python3
 description = Allows to run unit-test with debug mode enabled
 commands =
   oslo_debug_helper -t {toxinidir}/monasca_log_api/tests {posargs}
 
 [testenv:bashate]
-basepython = python3
 description = Validates (pep8-like) devstack plugins
 skip_install = True
 usedevelop = False
 commands = bash {toxinidir}/tools/bashate.sh {toxinidir}/devstack
 
 [testenv:bandit]
-basepython = python3
 description = Validates codebase with bandit
 skip_install = True
 usedevelop = False
@@ -55,7 +52,6 @@ commands =
   bandit -r monasca_log_api -n5 -s B101 -x monasca_log_api/tests
 
 [testenv:pep8]
-basepython = python3
 description = Runs set of linters against codebase (flake8, bandit, bashate, checkniceness)
 commands =
   {[testenv:flake8]commands}
@@ -64,29 +60,24 @@ commands =
   {[testenv:checkniceness]commands}
 
 [testenv:flake8]
-basepython = python3
 description = Validates codebase with flake
 commands =
   flake8 monasca_log_api
 
 [testenv:genconfig]
-basepython = python3
 description = Generates sample documentation file for monasca-log-api
 commands = oslo-config-generator --config-file=config-generator/monasca-log-api.conf
 
 [testenv:genpolicy]
-basepython = python3
 description = Generates sample policy.json file for monasca-log-api
 commands = oslopolicy-sample-generator --config-file=config-generator/policy.conf
 
 [testenv:docs]
-basepython = python3
 description = Builds main documention
 commands =
   {[testenv:devdocs]commands}
 
 [testenv:api-guide]
-basepython = python3
 description = Called from CI scripts to test and publish the API Guide
 commands =
   rm -rf api-guide/build
@@ -94,7 +85,6 @@ commands =
   sphinx-build -W -b html -d api-guide/build/doctrees api-guide/source api-guide/build/html
 
 [testenv:api-ref]
-basepython = python3
 description = Called from CI scripts to test and publish the API Ref
 commands =
   rm -rf api-ref/build
@@ -102,14 +92,12 @@ commands =
   sphinx-build -W -b html -d api-ref/build/doctrees api-ref/source api-ref/build/html
 
 [testenv:releasenotes]
-basepython = python3
 description = Called from CI script to test and publish the Release Notes
 commands =
   rm -rf releasenotes/build
   sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [testenv:all-docs]
-basepython = python3
 description = Builds all docouments
 commands =
   {[testenv:devdocs]commands}
@@ -118,7 +106,6 @@ commands =
   {[testenv:releasenotes]commands}
 
 [testenv:devdocs]
-basepython = python3
 description = Builds developer documentation
 commands =
   rm -rf doc/build
@@ -127,7 +114,6 @@ commands =
   python setup.py build_sphinx
 
 [testenv:checkniceness]
-basepython = python3
 description = Validates (pep-like) documenation
 skip_install = True
 usedevelop = False
@@ -138,7 +124,6 @@ commands =
   doc8 --file-encoding utf-8 {toxinidir}/releasenotes
 
 [testenv:checkjson]
-basepython = python3
 description = Validates all json samples inside doc folder
 skip_install = True
 usedevelop = False
@@ -153,7 +138,6 @@ commands =
   bash -c '! find doc/ -type f -name *.json | xargs -t -n1 python -m json.tool 2>&1 > /dev/null | grep -B1 -v ^python'
 
 [testenv:venv]
-basepython = python3
 commands = {posargs}
 
 [flake8]
@@ -167,7 +151,6 @@ import_exceptions =
   six.moves
 
 [testenv:lower-constraints]
-basepython = python3
 deps =
   -c{toxinidir}/lower-constraints.txt
   -r{toxinidir}/test-requirements.txt