diff --git a/ghc-codec-rpm.spec b/ghc-codec-rpm.spec
index 1e9aee6..1527185 100644
--- a/ghc-codec-rpm.spec
+++ b/ghc-codec-rpm.spec
@@ -61,7 +61,8 @@ This package provides the Haskell %{pkg_name} library development files.
 
 %prep
 %setup -q -n %{pkgver}
-
+cabal-tweak-dep-ver conduit-extra '< 1.2' '< 1.3'
+cabal-tweak-dep-ver lzma-conduit '< 1.2' '< 1.3'
 
 %build
 %ghc_lib_build