diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d23d66c..ea47252 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,11 +8,12 @@ pages:
     paths:
       - _cache
       - .stack
+      - .stack-work
   before_script:
-    - stack install --only-dependencies
-    - stack build
+    - stack --system-ghc install --only-dependencies
+    - stack --system-ghc build
   script:
-    - stack exec site build
+    - stack --system-ghc exec site build
   artifacts:
     paths:
       - public