Write permission
diff --git a/.travis.yml b/.travis.yml
index bfaf403..4076e2b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,8 +13,8 @@
   - DB=pdo/sqlite
 
 before_script:
-  - pyrus channel-discover pear.bovigo.org
-  - pyrus install -f bovigo/vfsStream-beta
+  - sudo pyrus channel-discover pear.bovigo.org
+  - sudo pyrus install -f bovigo/vfsStream-beta
   - phpenv rehash
   - sh -c "if [ '$DB' = 'pgsql' ] || [ '$DB' = 'pdo/pgsql' ]; then psql -c 'DROP DATABASE IF EXISTS ci_test;' -U postgres; fi"
   - sh -c "if [ '$DB' = 'pgsql' ] || [ '$DB' = 'pdo/pgsql' ]; then psql -c 'create database ci_test;' -U postgres; fi"