diff --git a/README.md b/README.md
index cf3ad6c..404e8f2 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ If you have custom Stan compiler settings, install from source rather than the C
 
 ## Installation in Python
 
-Prophet is on PyPI, so you can use `pip` to install it:
+Prophet is on PyPI, so you can use `pip` to install it. From v0.6 onwards, Python 2 is no longer supported.
 
 ```bash
 pip install fbprophet
@@ -84,6 +84,7 @@ Make sure compilers (gcc, g++, build-essential) and Python development tools (py
 - Fix bugs related to upstream changes in `holidays` and `pandas` packages.
 - Compile model during first use, not during install (to comply with CRAN policy)
 - `cmdstanpy` backend now available in Python
+- Python 2 no longer supported
 
 ### Version 0.5 (2019.05.14)
 
diff --git a/python/setup.py b/python/setup.py
index 2440629..edba5bd 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -129,6 +129,7 @@ setup(
     setup_requires=[
     ],
     install_requires=install_requires,
+    python_requires='>=3',
     zip_safe=False,
     include_package_data=True,
     cmdclass={
@@ -139,7 +140,6 @@ setup(
     test_suite='fbprophet.tests',
     classifiers=[
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.7',
     ],