diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7036c9f25..1abf02169 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -254,7 +254,7 @@ jobs:
       env:
         stack: ${{ matrix.plan.stack }}
       run: |
-        time $stack build --haddock --no-haddock-deps --no-haddock-hyperlink-source --haddock-arguments="--no-print-missing-docs"
+        time $stack build --fast --haddock --no-haddock-deps --no-haddock-hyperlink-source --haddock-arguments="--no-print-missing-docs"
         # --no-haddock-hyperlink-source is 25% faster
         # --no-print-missing-docs is 600% quieter
       if: env.CONTINUE