diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index adcb6f5..783674a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -19,7 +19,11 @@
   script:
     # Let's run the tests. Substitute `coverage = false` below, if you do not
     # want coverage results.
-    - julia -e 'using Pkg; Pkg.add(pwd()); Pkg.build("AstroHelper"); Pkg.test("AstroHelper"; coverage = true)'
+    - julia --project -e '
+      using Pkg;
+      Pkg.instantiate();
+      Pkg.build();
+      Pkg.test(; coverage=true);'
     # Comment out below if you do not want coverage results.
     # - julia -e 'using Pkg; Pkg.add("Coverage");
     #   import AstroHelper; cd(joinpath(dirname(pathof(AstroHelper)), ".."));