diff --git a/.travis.yml b/.travis.yml
index 9004ba0..c59f24f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ python:
 # install some archive programs
 before_install:
   - sudo apt-get update -qq
-  - sudo apt-get install -qq arj bzip2 cabextract cpio lzop p7zip-full pbzip2 unrar zip rpm2cpio binutils lha unace-nonfree nomarch unalz lrzip rzip zoo xdms orange lzip clzip pdlzip
+  - sudo apt-get install -qq arj bzip2 lbzip2 pbzip2 cabextract ncompress cpio bsdcpio lzop p7zip-full rar unrar unrar-nonfree zip unzip rpm2cpio binutils lha unace unace-nonfree arc nomarch unalz lrzip star bsdtar rzip zoo xdms orange lzip plzip clzip pdlzip shar flac shorten unadf
 # command to install dependencies
 install:
   - pip install -r requirements.txt --use-mirrors