diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cbf823c6937a6dc28ad509e8b2461d1a9e6b77cd..d1995c55a81089cbcd65c2edf5d24981098082ba 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,7 @@
 build-doc:
-    image: julia:latest
-    stage: build
-    script:
-        - "julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd(), subdir=\"core/\")); Pkg.instantiate()'"
-        - "julia --project=docs/ docs/make.jl"
+  image: julia:latest
+  stage: build
+  script:
+    - "julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd(), subdir=\"core/\")); Pkg.instantiate()'"
+    - "julia --project=docs/ docs/make.jl"
+