diff --git a/.gitignore b/.gitignore
index 8369ccf..b88cfd6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /basement-0.0.8.tar.gz
 /basement-0.0.10.tar.gz
 /basement-0.0.11.tar.gz
+/basement-0.0.12.tar.gz
diff --git a/basement-0.0.11.cabal b/basement-0.0.12.cabal
similarity index 97%
rename from basement-0.0.11.cabal
rename to basement-0.0.12.cabal
index da7bd00..72125e0 100644
--- a/basement-0.0.11.cabal
+++ b/basement-0.0.12.cabal
@@ -1,6 +1,6 @@
 name:                basement
-version:             0.0.11
-x-revision: 2
+version:             0.0.12
+x-revision: 1
 synopsis:            Foundation scrap box of array & string
 description:         Foundation most basic primitives without any dependencies
 license:             BSD3
@@ -138,11 +138,10 @@ library
                      Basement.Terminal.Size
 
   -- support and dependencies
-  build-depends: base >= 4.9.0.0 && < 5
   if impl(ghc < 8.0)
-    build-depends:     base
+    buildable: False
   else
-    build-depends:     base
+    build-depends:     base >=4.9 && <4.16
                      , ghc-prim
     if os(windows)
       build-depends:   Win32
diff --git a/ghc-basement.spec b/ghc-basement.spec
index 27f6e1d..bb94931 100644
--- a/ghc-basement.spec
+++ b/ghc-basement.spec
@@ -5,8 +5,8 @@
 %global pkgver %{pkg_name}-%{version}
 
 Name:           ghc-%{pkg_name}
-Version:        0.0.11
-Release:        5%{?dist}
+Version:        0.0.12
+Release:        1%{?dist}
 Summary:        Foundation scrap box of array & string
 
 License:        BSD
@@ -101,6 +101,9 @@ cp -bp %{SOURCE1} %{pkg_name}.cabal
 
 
 %changelog
+* Thu Aug  5 2021 Jens Petersen <petersen@redhat.com> - 0.0.12-1
+- update to 0.0.12
+
 * Thu Jul 22 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.0.11-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
 
diff --git a/sources b/sources
index 49192ef..2fa72a2 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (basement-0.0.11.tar.gz) = 2396e692fcaa080418eb90c38148dbb2465490ffaa5e35d141573d32729794dffb444bdddd55082878520a22629cfead5fdc1ac98f1d369600cc3165b64730d5
+SHA512 (basement-0.0.12.tar.gz) = 4515fbecfb8280cfd669313d236a5e3b4ef45ba3fd3da8626073fa3a44a889370c48c582ea633eac5df4a5e716c495cf827deb9239274fbdb63a14d19f9682fb