diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d1995c55a81089cbcd65c2edf5d24981098082ba..9a03172821c5c9545d6c01f0494d02bf6442dd30 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,7 +1,8 @@
 build-doc:
-  image: julia:latest
+  image: 2017bentrioum/markovprocesses.jl/julia:latest
   stage: build
   script:
+    - "docker image ls" 
     - "julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd(), subdir=\"core/\")); Pkg.instantiate()'"
     - "julia --project=docs/ docs/make.jl"