diff --git a/ansible/hosts-vagrant b/ansible/hosts-vagrant
index b5a6604..7b27a61 100644
--- a/ansible/hosts-vagrant
+++ b/ansible/hosts-vagrant
@@ -1,7 +1,9 @@
 [all:vars]
 warcs_dir=/vagrant/warcs
-brozzler_pip_name='-e /brozzler'
+# brozzler_pip_name='-e /brozzler' # not working anymore? :(
+brozzler_pip_name='/brozzler'
 user=vagrant
+ansible_python_interpreter=/usr/bin/python3
 ### possible values for a prod deployment
 # brozzler_pip_name=brozzler  # get it from pypi
 # brozzler_pip_name=git+https://github.com/internetarchive/brozzler.git#egg=brozzler
diff --git a/ansible/roles/brozzler-dashboard/tasks/main.yml b/ansible/roles/brozzler-dashboard/tasks/main.yml
index 42a7551..b341d1a 100644
--- a/ansible/roles/brozzler-dashboard/tasks/main.yml
+++ b/ansible/roles/brozzler-dashboard/tasks/main.yml
@@ -1,12 +1,12 @@
 ---
-- name: mkdir {{venv_root}}/brozzler-dashboard-ve34
-  file: path={{venv_root}}/brozzler-dashboard-ve34 state=directory
+- name: mkdir {{venv_root}}/brozzler-dashboard-ve3
+  file: path={{venv_root}}/brozzler-dashboard-ve3 state=directory
         owner={{user}}
   become: true
 - name: install brozzler[dashboard] in virtualenv
   pip: name='{{brozzler_pip_name}}[dashboard]'
-       virtualenv={{venv_root}}/brozzler-dashboard-ve34
-       virtualenv_python=python3.4
+       virtualenv={{venv_root}}/brozzler-dashboard-ve3
+       virtualenv_python=python3
        extra_args='--no-input --upgrade --pre --cache-dir=/tmp/pip-cache'
   become: true
   become_user: '{{user}}'
diff --git a/ansible/roles/brozzler-dashboard/templates/brozzler-dashboard.conf.j2 b/ansible/roles/brozzler-dashboard/templates/brozzler-dashboard.conf.j2
index cd8e8e0..7a8f0bb 100644
--- a/ansible/roles/brozzler-dashboard/templates/brozzler-dashboard.conf.j2
+++ b/ansible/roles/brozzler-dashboard/templates/brozzler-dashboard.conf.j2
@@ -3,8 +3,7 @@ description "brozzler-dashboard"
 start on runlevel [2345]
 stop on runlevel [!2345]
 
-env PYTHONPATH={{venv_root}}/brozzler-dashboard-ve34/lib/python3.4/site-packages
-env PATH={{venv_root}}/brozzler-dashboard-ve34/bin:/usr/bin:/bin
+env PATH={{venv_root}}/brozzler-dashboard-ve3/bin:/usr/bin:/bin
 env LC_ALL=C.UTF-8
 
 env WAYBACK_BASEURL=http://{{groups['pywb'][0]}}:8880/brozzler
diff --git a/ansible/roles/brozzler-worker/tasks/main.yml b/ansible/roles/brozzler-worker/tasks/main.yml
index deb7a92..bd9512a 100644
--- a/ansible/roles/brozzler-worker/tasks/main.yml
+++ b/ansible/roles/brozzler-worker/tasks/main.yml
@@ -9,8 +9,14 @@
   become: true
   apt: name={{item}} state=present
   with_items:
-  - vnc4server
   - chromium-browser
+  - vnc4server
+  - libjpeg-turbo8-dev
+  - zlib1g-dev
+  - gcc
+  - python3-dev
+  - python3-dbg
+  - adobe-flashplugin
   - xfonts-base
   - fonts-arphic-bkai00mp
   - fonts-arphic-bsmi00lp
@@ -24,28 +30,21 @@
   - fonts-sil-padauk
   - fonts-unfonts-extra
   - fonts-unfonts-core
-  - ttf-indic-fonts
+  - fonts-indic
   - fonts-thai-tlwg
   - fonts-lklug-sinhala
-  - git
-  - libjpeg-turbo8-dev
-  - zlib1g-dev
-  - gcc
-  - g++
-  - libpython3.4-dev
-  - adobe-flashplugin
 - name: install Xvnc upstart config /etc/init/Xvnc.conf
   template: src=templates/Xvnc.conf.j2 dest=/etc/init/Xvnc.conf
   become: true
   notify:
   - restart Xvnc
-- name: mkdir {{venv_root}}/websockify-ve34
+- name: mkdir {{venv_root}}/websockify-ve3
   become: true
-  file: path={{venv_root}}/websockify-ve34 state=directory owner={{user}}
+  file: path={{venv_root}}/websockify-ve3 state=directory owner={{user}}
 - name: install websockify in virtualenv
   pip: name=git+https://github.com/kanaka/websockify.git#egg=websockify
-       virtualenv={{venv_root}}/websockify-ve34
-       virtualenv_python=python3.4
+       virtualenv={{venv_root}}/websockify-ve3
+       virtualenv_python=python3
        extra_args='--no-input --upgrade --pre --cache-dir=/tmp/pip-cache'
   become: true
   become_user: '{{user}}'
@@ -54,15 +53,15 @@
   become: true
   notify:
   - restart vnc-websock
-- name: mkdir {{venv_root}}/brozzler-ve34
+- name: mkdir {{venv_root}}/brozzler-ve3
   become: true
-  file: path={{venv_root}}/brozzler-ve34 state=directory owner={{user}}
+  file: path={{venv_root}}/brozzler-ve3 state=directory owner={{user}}
 - name: install brozzler in virtualenv
-  pip: # name=git+https://github.com/internetarchive/brozzler.git#egg=brozzler
-       name='{{brozzler_pip_name}}'
-       virtualenv={{venv_root}}/brozzler-ve34
-       virtualenv_python=python3.4
-       extra_args='--no-input --upgrade --pre --cache-dir=/tmp/pip-cache'
+  pip:
+    name: '{{brozzler_pip_name}}'
+    virtualenv: '{{venv_root}}/brozzler-ve3'
+    virtualenv_python: python3
+    extra_args: '--no-input --upgrade --pre --cache-dir=/tmp/pip-cache'
   become: true
   become_user: '{{user}}'
   notify:
diff --git a/ansible/roles/brozzler-worker/templates/brozzler-worker.conf.j2 b/ansible/roles/brozzler-worker/templates/brozzler-worker.conf.j2
index 3fd73d6..5b9f711 100644
--- a/ansible/roles/brozzler-worker/templates/brozzler-worker.conf.j2
+++ b/ansible/roles/brozzler-worker/templates/brozzler-worker.conf.j2
@@ -4,8 +4,7 @@ start on runlevel [2345]
 stop on runlevel [!2345]
 
 env DISPLAY=:1
-env PATH={{venv_root}}/brozzler-ve34/bin:/usr/bin:/bin
-env PYTHONPATH={{venv_root}}/brozzler-ve34/lib/python3.4/site-packages
+env PATH={{venv_root}}/brozzler-ve3/bin:/usr/bin:/bin
 env LANG=C.UTF-8
 
 setuid {{user}}
diff --git a/ansible/roles/brozzler-worker/templates/vnc-websock.conf.j2 b/ansible/roles/brozzler-worker/templates/vnc-websock.conf.j2
index 2468bae..a26345d 100644
--- a/ansible/roles/brozzler-worker/templates/vnc-websock.conf.j2
+++ b/ansible/roles/brozzler-worker/templates/vnc-websock.conf.j2
@@ -7,8 +7,7 @@ setuid {{user}}
 
 console log
 
-env PYTHONPATH={{venv_root}}/websockify-ve34/lib/python3.4/site-packages
-env PATH={{venv_root}}/websockify-ve34/bin:/usr/bin:/bin
+env PATH={{venv_root}}/websockify-ve3/bin:/usr/bin:/bin
 
 # port 8901 is hard-coded in brozzler/dashboard/static/partials/workers.html
 exec nice websockify 0.0.0.0:8901 localhost:5901
diff --git a/ansible/roles/common/tasks/main.yml b/ansible/roles/common/tasks/main.yml
index 5942b86..2167ba1 100644
--- a/ansible/roles/common/tasks/main.yml
+++ b/ansible/roles/common/tasks/main.yml
@@ -18,22 +18,22 @@
 
 # this clause is a workaround for travis-ci, which only wants to install in /usr
 # see https://travis-ci.org/internetarchive/brozzler/builds/174338601
-# but it complains that /usr/lib/python3.4/site-packages doesn't exist
+# but it complains that /usr/lib/python3.5/site-packages doesn't exist
 # see https://travis-ci.org/internetarchive/brozzler/builds/174094831
 - file: path={{item}} state=directory
   with_items:
-  - /usr/lib/python3.4/site-packages
-  - /usr/lib/python3.4/dist-packages
+  - /usr/lib/python3.5/site-packages
+  - /usr/lib/python3.5/dist-packages
   become: true
 
 - name: run "python3 setup.py install" in /tmp/pip-9.0.1
   command: python3 setup.py install
            chdir=/tmp/pip-9.0.1
-           creates=/usr/local/lib/python3.4/dist-packages/pip-9.0.1-py3.4.egg/pip/__init__.py
+           creates=/usr/local/lib/python3.5/dist-packages/pip-9.0.1-py3.5.egg/pip/__init__.py
   become: true
 - name: run "pip install virtualenv"
   command: pip install virtualenv
-           creates=/usr/local/lib/python3.4/dist-packages/virtualenv.py
+           creates=/usr/local/lib/python3.5/dist-packages/virtualenv.py
   become: true
 - command: id {{user}}
   register: id_user
diff --git a/ansible/roles/pywb/tasks/main.yml b/ansible/roles/pywb/tasks/main.yml
index 16b9ea7..7ffe49c 100644
--- a/ansible/roles/pywb/tasks/main.yml
+++ b/ansible/roles/pywb/tasks/main.yml
@@ -1,13 +1,13 @@
 ---
-- name: mkdir {{venv_root}}/pywb-ve34
-  file: path={{venv_root}}/pywb-ve34 state=directory
+- name: mkdir {{venv_root}}/pywb-ve3
+  file: path={{venv_root}}/pywb-ve3 state=directory
         owner={{user}}
   become: true
 - name: install pywb in virtualenv
   pip: name=pywb
        version=0.33.2
-       virtualenv={{venv_root}}/pywb-ve34
-       virtualenv_python=python3.4
+       virtualenv={{venv_root}}/pywb-ve3
+       virtualenv_python=python3
        extra_args='--no-input --upgrade --pre --cache-dir=/tmp/pip-cache'
   become: true
   become_user: '{{user}}'
@@ -15,8 +15,8 @@
   - restart pywb
 - name: install brozzler in pywb virtualenv
   pip: name='{{brozzler_pip_name}}'
-       virtualenv={{venv_root}}/pywb-ve34
-       virtualenv_python=python3.4
+       virtualenv={{venv_root}}/pywb-ve3
+       virtualenv_python=python3
        extra_args='--no-input --upgrade --pre --cache-dir=/tmp/pip-cache'
   become: true
   become_user: '{{user}}'
diff --git a/ansible/roles/pywb/templates/pywb.conf.j2 b/ansible/roles/pywb/templates/pywb.conf.j2
index c2cc89e..6b3450c 100644
--- a/ansible/roles/pywb/templates/pywb.conf.j2
+++ b/ansible/roles/pywb/templates/pywb.conf.j2
@@ -3,12 +3,10 @@ description "pywb"
 start on runlevel [2345]
 stop on runlevel [!2345]
 
-env PYTHONPATH={{venv_root}}/pywb-ve34/lib/python3.4/site-packages
-env PATH={{venv_root}}/pywb-ve34/bin:/usr/bin:/bin
 env PYWB_CONFIG_FILE=/etc/pywb.yml
 
 setuid {{user}}
 
 console log
 
-exec nice brozzler-wayback
+exec nice {{venv_root}}/pywb-ve3/bin/python {{venv_root}}/pywb-ve3/bin/brozzler-wayback
diff --git a/ansible/roles/warcprox/tasks/main.yml b/ansible/roles/warcprox/tasks/main.yml
index be53dc5..74e8c59 100644
--- a/ansible/roles/warcprox/tasks/main.yml
+++ b/ansible/roles/warcprox/tasks/main.yml
@@ -4,19 +4,18 @@
   apt: name={{item}} state=present
   with_items:
   - gcc
-  - python3.4
-  - libpython3.4-dev
+  - python3-dev
   - libffi-dev
   - libssl-dev
   - tor
   - git
-- name: mkdir {{venv_root}}/warcprox-ve34
+- name: mkdir {{venv_root}}/warcprox-ve3
   become: true
-  file: path={{venv_root}}/warcprox-ve34 state=directory owner={{user}}
+  file: path={{venv_root}}/warcprox-ve3 state=directory owner={{user}}
 - name: install warcprox in virtualenv
   pip: name=git+https://github.com/internetarchive/warcprox.git#egg=warcprox
-       virtualenv={{venv_root}}/warcprox-ve34
-       virtualenv_python=python3.4
+       virtualenv={{venv_root}}/warcprox-ve3
+       virtualenv_python=python3
        extra_args='--no-input --upgrade --pre --cache-dir=/tmp/pip-cache'
   become: true
   become_user: '{{user}}'
diff --git a/ansible/roles/warcprox/templates/warcprox.conf.j2 b/ansible/roles/warcprox/templates/warcprox.conf.j2
index 4d9a33d..61f36ba 100644
--- a/ansible/roles/warcprox/templates/warcprox.conf.j2
+++ b/ansible/roles/warcprox/templates/warcprox.conf.j2
@@ -3,9 +3,6 @@ description "warcprox"
 start on runlevel [2345]
 stop on runlevel [!2345]
 
-env PYTHONPATH={{venv_root}}/warcprox-ve34/lib/python3.4/site-packages
-env PATH={{venv_root}}/warcprox-ve34/bin:/usr/bin:/bin
-
 # by default warcprox creates some files/dirs relative to cwd
 chdir {{work_dir}}
 setuid {{user}}
@@ -13,7 +10,7 @@ setuid {{user}}
 console log
 
 # --profile
-exec nice warcprox \
+exec nice {{venv_root}}/warcprox-ve3/bin/python {{venv_root}}/warcprox-ve3/bin/warcprox \
          --address=0.0.0.0 \
          --dir={{warcs_dir}} \
          --base32 \