diff --git a/hspec-discover.cabal b/hspec-discover.cabal
--- a/hspec-discover.cabal
+++ b/hspec-discover.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:             hspec-discover
-version:          2.8.3
+version:          2.8.4
 license:          MIT
 license-file:     LICENSE
 copyright:        (c) 2012-2021 Simon Hengel
@@ -31,7 +31,7 @@
 library
   hs-source-dirs:
       src
-  ghc-options: -Wall
+  ghc-options: -Wall -fno-warn-incomplete-uni-patterns
   build-depends:
       base ==4.*
     , directory
@@ -46,7 +46,7 @@
   default-language: Haskell2010
 
 executable hspec-discover
-  ghc-options: -Wall
+  ghc-options: -Wall -fno-warn-incomplete-uni-patterns
   hs-source-dirs:
       driver
   main-is: hspec-discover.hs
@@ -61,7 +61,7 @@
 
 test-suite spec
   type: exitcode-stdio-1.0
-  ghc-options: -Wall
+  ghc-options: -Wall -fno-warn-incomplete-uni-patterns
   hs-source-dirs:
       test
   main-is: Spec.hs
diff --git a/version.yaml b/version.yaml
--- a/version.yaml
+++ b/version.yaml
@@ -1,1 +1,1 @@
-&version 2.8.3
+&version 2.8.4