diff --git a/ghc-vector.spec b/ghc-vector.spec
index e739a4a..03fe56c 100644
--- a/ghc-vector.spec
+++ b/ghc-vector.spec
@@ -48,6 +48,8 @@ This package provides the Haskell %{pkg_name} library development files.
 
 %prep
 %setup -q -n %{pkg_name}-%{version}
+cabal-tweak-dep-ver base '< 4.9' '< 4.10'
+cabal-tweak-dep-ver ghc-prim '< 0.5' '< 0.6'
 
 
 %build