diff --git a/ghc-conduit-extra.spec b/ghc-conduit-extra.spec
index a7f5013..67e5d00 100644
--- a/ghc-conduit-extra.spec
+++ b/ghc-conduit-extra.spec
@@ -6,7 +6,7 @@
 
 Name:           ghc-%{pkg_name}
 Version:        1.1.7.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Conduit adapters for common libraries
 
 License:        MIT
@@ -39,6 +39,10 @@ BuildRequires:  ghc-exceptions-devel
 BuildRequires:  ghc-hspec-devel
 %endif
 # End cabal-rpm deps
+Obsoletes:      ghc-attoparsec-conduit < 1.2
+Obsoletes:      ghc-blaze-builder-conduit < 1.2
+Obsoletes:      ghc-network-conduit < 1.2
+Obsoletes:      ghc-zlib-conduit < 1.2
 
 %description
 The conduit package itself maintains relative small dependencies. The purpose
@@ -55,6 +59,10 @@ Requires:       ghc-compiler = %{ghc_version}
 Requires(post): ghc-compiler = %{ghc_version}
 Requires(postun): ghc-compiler = %{ghc_version}
 Requires:       %{name}%{?_isa} = %{version}-%{release}
+Obsoletes:      ghc-attoparsec-conduit-devel < 1.2
+Obsoletes:      ghc-blaze-builder-conduit-devel < 1.2
+Obsoletes:      ghc-network-conduit-devel < 1.2
+Obsoletes:      ghc-zlib-conduit-devel < 1.2
 
 %description devel
 This package provides the Haskell %{pkg_name} library development files.
@@ -94,6 +102,10 @@ This package provides the Haskell %{pkg_name} library development files.
 
 
 %changelog
+* Wed Mar  4 2015 Jens Petersen <petersen@redhat.com> - 1.1.7.0-2
+- obsolete attoparsec-conduit, blaze-builder-conduit, network-conduit, and
+  zlib-conduit
+
 * Wed Mar  4 2015 Jens Petersen <petersen@fedoraproject.org> - 1.1.7.0-1
 - update to 1.1.7.0