diff --git a/.travis.yml b/.travis.yml
index 284eaaf8da6ae4f0b6e51be6dd108d1e46bafa6e..e3182569c4213e91fc4edb7affd6338d7603d44c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -91,6 +91,7 @@ matrix:
            - python-yaml
            - lcov
            - libopencv-dev
+           - libxml-xpath-perl
          sources: &trusty_pocl_sources
            - ubuntu-toolchain-r-test
       env: