diff --git a/.gitignore b/.gitignore
index 4f5a7f6..6a5671f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -61,3 +61,7 @@ target/
 
 # Vitual Environments
 venv/
+.env/
+
+# direnv
+.envrc
diff --git a/README.md b/README.md
index 39d8b79..fb59490 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Run lambda function on local machine
 
 ## Prepare development environment
 
-Please use a newly created virtualenv of Python 2.7 or Python 3.7.
+Please use a newly created virtualenv of Python 3.7+.
 
 ## Installation
 
diff --git a/README.rst b/README.rst
index 2710d84..9c5bd6a 100644
--- a/README.rst
+++ b/README.rst
@@ -9,7 +9,7 @@ Run lambda function on local machine
 Prepare development environment
 -------------------------------
 
-Please use a newly created virtualenv of Python 2.7 or Python 3.7.
+Please use a newly created virtualenv of Python 3.7+.
 
 Installation
 ------------
diff --git a/deploy.sh b/deploy.sh
index 7bc15d2..b5ba2bd 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -14,7 +14,6 @@ EOF
 pip install twine
 
 mkdir dist
-cp build-py2/dist/* dist/
 cp build-py37/dist/* dist/
 cp build-py38/dist/* dist/
 
diff --git a/lambda_local/timeout.py b/lambda_local/timeout.py
index 5dcbd58..d13c619 100644
--- a/lambda_local/timeout.py
+++ b/lambda_local/timeout.py
@@ -6,7 +6,7 @@
 import signal
 import threading
 from contextlib import contextmanager
-from six.moves import _thread
+import _thread
 
 
 class TimeoutException(Exception):
diff --git a/setup.py b/setup.py
index fc9290c..9c2aa1a 100644
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,6 @@ def run_tests(self):
           'Development Status :: 3 - Alpha',
           'Operating System :: POSIX',
           'Programming Language :: Python',
-          'Programming Language :: Python :: 2.7',
           'Programming Language :: Python :: 3.7',
           'Programming Language :: Python :: 3.8',
           'License :: OSI Approved :: MIT License'
diff --git a/wercker.yml b/wercker.yml
index 0e4c8f4..8e4f3f4 100644
--- a/wercker.yml
+++ b/wercker.yml
@@ -3,34 +3,6 @@ box: python:3-slim
 build:
   steps:
 
-build-py2:
-  box: python:2.7-slim
-  steps:
-    - script:
-        name: virtualenv install
-        code: |
-          pip install virtualenv
-
-    - virtualenv:
-        name: setup virtual environment
-        install_wheel: true
-
-    - script:
-        name: echo python information
-        code: |
-          echo "python version $(python --version) running"
-          echo "pip version $(pip --version) running"
-
-    - script:
-        name: build
-        code: |
-          python setup.py sdist bdist_wheel
-
-    - script:
-        name: test
-        code: |
-          python setup.py test
-
 build-py37:
   box: python:3.7-slim
   steps:
@@ -92,5 +64,5 @@ deploy:
     - script:
         name: deploy to pypi
         code: |
-          cp build-py2/deploy.sh .
+          cp build-py37/deploy.sh .
           sh deploy.sh