try to do update before install

diff --git a/.travis.yml b/.travis.yml
index 16ed26fb1a5f45f94a9eea4b7de6ffdde672de2e..97801feb646cc37798fac8b942e29bc06db47f94 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ env:
 script:
   - ./build-and-test.sh
 before_install:
-  - sudo apt-get install -qq libyubikey-dev $EXTRA
+  -sudo apt-get update; sudo apt-get install -qq libyubikey-dev $EXTRA
 matrix:
   include:
     - compiler: gcc