diff --git a/.travis.yml b/.travis.yml
index 5aed0ffd..b2a89e14 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,7 @@ notifications:
 
 python:
   - "2.7"
-  - "3.4"
+# - "3.4"
   - "3.5"
   - "3.6"
 
diff --git a/setup.py b/setup.py
index 4057281f..fd47b28d 100755
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@
       keywords = ['PIC', 'particle-in-cell', 'plasma', 'physics', 'plasma physics',
                   'laser', 'laser plasma', 'particle acceleration'],
       classifiers=[
-          'Development Status :: 3 - Alpha',
+          'Development Status :: 4 - Beta',
           'Intended Audience :: Science/Research',
           'Intended Audience :: Developers',
           'Topic :: Scientific/Engineering',
@@ -53,7 +53,9 @@
           'Topic :: Scientific/Engineering :: Visualization',
           'Programming Language :: Python',
           'Programming Language :: Python :: 2.7',
+          'Programming Language :: Python :: 3',
           'Programming Language :: Python :: 3.5',
+          'Programming Language :: Python :: 3.6',
           'Operating System :: Unix',
           'Operating System :: MacOS',
           'Operating System :: Microsoft :: Windows',