diff --git a/.travis.yml b/.travis.yml
index 7e51343..7779aed 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,10 +13,18 @@ matrix:
 
 env:
   global:
+  - LIBCLANG_PATH="/usr/lib/llvm-3.9/lib"
   - PKG_CONFIG_PATH="/usr/lib/*/pkgconfig/"
 
 addons:
   apt:
+    sources:
+    - sourceline: 'deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-3.9 main'
+      key_url: 'http://apt.llvm.org/llvm-snapshot.gpg.key'
+
     packages:
     - libsmbclient-dev
     - pkg-config
+    - clang-3.9
+    - libclang-3.9-dev
+    - llvm-3.9-dev