diff --git a/.travis.yml b/.travis.yml
index e37dbcf1..7d106611 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ os: linux
 dist: trusty
 before_install:
     - sudo apt-get update -qq
-    - sudo apt-get install -y ack-grep cpanminus libperl-dev make perl python-glade2 python-gnome2 python-gnome2-dev python-gtk2 python-setuptools python-tk python3 python3-pip python3-setuptools
+    - sudo apt-get install -y ack-grep cpanminus libperl-dev make perl python-glade2 python-gnome2 python-gnome2-dev python-gtk2 python-setuptools python-tk python3 python3-pip python3-setuptools python3-tk
     - sudo dpkg-divert --local --divert /usr/bin/ack --rename --add /usr/bin/ack-grep
 install:
     - sudo cpanm Test::Differences Test::TrailingSpace