diff --git a/ghc-utf8-string.spec b/ghc-utf8-string.spec
index 63afdaa..6de0e3d 100644
--- a/ghc-utf8-string.spec
+++ b/ghc-utf8-string.spec
@@ -12,7 +12,7 @@ UTF8 without truncation.
 
 Name:           ghc-%{pkg_name}
 Version:        0.3.7
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        %{common_summary}
 
 Group:          System Environment/Libraries
@@ -24,7 +24,7 @@ ExclusiveArch:  %{ghc_arches}
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros %{!?without_hscolour:hscolour}
 # END cabal2spec
-BuildRequires:  ghc-bytestring-prof
+BuildRequires:  ghc-bytestring-devel
 
 %description
 %{common_description}
@@ -54,6 +54,9 @@ BuildRequires:  ghc-bytestring-prof
 
 
 %changelog
+* Mon Jul 16 2012 Jens Petersen <petersen@redhat.com> - 0.3.7-3
+- change prof BRs to devel
+
 * Fri Mar 23 2012 Jens Petersen <petersen@redhat.com> - 0.3.7-2
 - add license to ghc_files