diff --git a/build-constraints.yaml b/build-constraints.yaml
index ac912481..27b3f3ea 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3307,6 +3307,7 @@ packages:
         - vhd < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build
         - wl-pprint-text < 0 # build failure with GHC 8.4 https://github.com/ivan-m/wl-pprint-text/issues/18
         - xmlgen < 0 # build faiulre with GHC 8.4 https://github.com/skogsbaer/xmlgen/issues/7
+        - xlsx < 0 # build failure with GHC 8.4 https://github.com/qrilka/xlsx/issues/116
 
         # may have no issue yet
         - FPretty < 0 # build failure with GHC 8.4
@@ -3486,7 +3487,6 @@ packages:
         - tidal-midi < 0 # DependencyFailed (PackageName "tidal")
         - wai-middleware-static < 0 # DependencyFailed (PackageName "hpc-coveralls")
         - webpage < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build
-        - xlsx < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build
         - xlsx-tabular < 0 # DependencyFailed (PackageName "xlsx")
         - xmonad < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build
         - xmonad-contrib < 0 # DependencyFailed (PackageName "xmonad")