diff --git a/.travis.yml b/.travis.yml
index ab379be48679da71394cc847214b85a7bc89bd96..1bed6b087407bef0c3a5e6810852b96156fd6445 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,10 @@ before_install:
 
 script:
   - . share/spack/setup-env.sh
+  - spack compilers
+  - spack config get compilers
   - spack test
+  - spack install -v libdwarf
 
 notifications:
   email: