diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index 45a0f32..60b4a63 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -1,6 +1,6 @@
 # This GitHub workflow config has been generated by a script via
 #
-#   haskell-ci 'github' 'cabal.project'
+#   haskell-ci 'github' '--config=cabal.haskell-ci' 'cabal.project'
 #
 # To regenerate the script (for example after adjusting tested-with) run
 #
@@ -10,7 +10,7 @@
 #
 # version: 0.16.6
 #
-# REGENDATA ("0.16.6",["github","cabal.project"])
+# REGENDATA ("0.16.6",["github","--config=cabal.haskell-ci","cabal.project"])
 #
 name: Haskell-CI
 on:
@@ -261,7 +261,7 @@ jobs:
           ${CABAL} -vnormal check
       - name: haddock
         run: |
-          $CABAL v2-haddock --disable-documentation --haddock-all $ARG_COMPILER --with-haddock $HADDOCK $ARG_TESTS $ARG_BENCH all
+          if [ $((HCNUMVER < 80000 || HCNUMVER >= 80400)) -ne 0 ] ; then $CABAL v2-haddock --disable-documentation --haddock-all $ARG_COMPILER --with-haddock $HADDOCK $ARG_TESTS $ARG_BENCH all ; fi
       - name: unconstrained build
         run: |
           rm -f cabal.project.local
diff --git a/cabal.haskell-ci b/cabal.haskell-ci
new file mode 100644
index 0000000..02d88f9
--- /dev/null
+++ b/cabal.haskell-ci
@@ -0,0 +1,2 @@
+-- Work around https://github.com/haskell/haddock/issues/574
+haddock: <8.0 || >=8.4