diff --git a/haddock-library/haddock-library.cabal b/haddock-library/haddock-library.cabal
index 55cefab169..5df01ec997 100644
--- a/haddock-library/haddock-library.cabal
+++ b/haddock-library/haddock-library.cabal
@@ -116,7 +116,7 @@ test-suite fixtures
     , base-compat           ^>= 0.12.0
     , directory             ^>= 1.3.0.2
     , filepath              ^>= 1.4.1.2
-    , optparse-applicative  ^>= 0.15
+    , optparse-applicative  >= 0.15
     , tree-diff             ^>= 0.2 || ^>= 0.3
 
 source-repository head