diff --git a/.travis.yml b/.travis.yml
index d78cceb1..55b03143 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,9 +16,11 @@ matrix:
 install:
     - pip install --quiet --use-mirrors tox
     # install python 3.4 from PPA since Travis does not have python 3.4 yet
-    - sudo apt-add-repository -y ppa:fkrull/deadsnakes
-    - sudo apt-get update
-    - sudo apt-get install python3.4
+    - if [ "$TOXENV" = "py34" ]; then
+        sudo apt-add-repository -y ppa:fkrull/deadsnakes;
+        sudo apt-get update;
+        sudo apt-get install python3.4;
+      fi
 script:
     - tox
 after_script: