diff --git a/.travis.yml b/.travis.yml
index 4b1455c..4890231 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -43,6 +43,6 @@ jobs:
         # - conda info -a
       script:
         - julia --project=docs -e 'using Pkg; Pkg.instantiate(); Pkg.develop(PackageSpec(path=pwd()));'
-        - julia --project=docs -e 'using Pkg; Pkg.add(PackageSpec(url="https://github.com/shipengcheng1230/Gmsh_SDK_jll.jl"))'
+        - julia --project=docs -e 'using Pkg; Pkg.add(PackageSpec(url="https://github.com/shipengcheng1230/Gmsh_SDK_jll.jl")); Pkg.build("GmshTools")'
         - julia --project=docs --color=yes docs/make.jl
       after_success: skip