diff --git a/ghc-SafeSemaphore.spec b/ghc-SafeSemaphore.spec
index 1ac4594..e5e7b3f 100644
--- a/ghc-SafeSemaphore.spec
+++ b/ghc-SafeSemaphore.spec
@@ -1,4 +1,4 @@
-# generated by cabal-rpm-1.0.1
+# generated by cabal-rpm-2.0.2
 # https://fedoraproject.org/wiki/Packaging:Haskell
 
 %global pkg_name SafeSemaphore
@@ -51,6 +51,7 @@ This package provides the Haskell %{pkg_name} library development files.
 %if %{with haddock}
 %package doc
 Summary:        Haskell %{pkg_name} library documentation
+BuildArch:      noarch
 
 %description doc
 This package provides the Haskell %{pkg_name} library documentation.
@@ -61,6 +62,7 @@ This package provides the Haskell %{pkg_name} library documentation.
 %package prof
 Summary:        Haskell %{pkg_name} profiling library
 Requires:       %{name}-devel%{?_isa} = %{version}-%{release}
+Supplements:    (%{name}-devel and ghc-prof)
 
 %description prof
 This package provides the Haskell %{pkg_name} profiling library.
@@ -90,6 +92,16 @@ cp -bp %{SOURCE1} %{pkg_name}.cabal
 %cabal_test
 
 
+%if 0%{?fedora} < 31 || 0%{?rhel} < 8
+%post devel
+%ghc_pkg_recache
+
+
+%postun devel
+%ghc_pkg_recache
+%endif
+
+
 %files -f %{name}.files
 # Begin cabal-rpm files:
 %license LICENSE
@@ -101,6 +113,7 @@ cp -bp %{SOURCE1} %{pkg_name}.cabal
 
 %if %{with haddock}
 %files doc -f %{name}-doc.files
+%license LICENSE
 %endif