diff --git a/.gitignore b/.gitignore
index 5b934d6..8354c73 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /aruba-0.6.0.gem
 /aruba-0.6.2.gem
 /aruba-0.14.2.gem
+/aruba-0.14.3.gem
diff --git a/rubygem-aruba.spec b/rubygem-aruba.spec
index efc9b68..2edc1ad 100644
--- a/rubygem-aruba.spec
+++ b/rubygem-aruba.spec
@@ -3,8 +3,8 @@
 
 Summary: CLI Steps for Cucumber, hand-crafted for you in Aruba
 Name: rubygem-%{gem_name}
-Version: 0.14.2
-Release: 3%{?dist}
+Version: 0.14.3
+Release: 1%{?dist}
 Group: Development/Languages
 # aruba itself is MIT
 # icons in templates/images are CC-BY
@@ -46,9 +46,31 @@ Documentation for %{name}
 
 %prep
 %setup -q -c -T
-%gem_install -n %{SOURCE0}
+
+# Gem repack
+TOPDIR=$(pwd)
+mkdir tmpunpackdir
+pushd tmpunpackdir
+
+gem unpack %{SOURCE0}
+cd %{gem_name}-%{version}
+
+gem specification -l --ruby %{SOURCE0} > %{gem_name}.gemspec
+
+# Allow childprocess 0.5.6
+sed -i \
+	-e '/add_runtime_dependency.*childprocess/s|~> 0\.8\.0|>= 0.5.6|' \
+	%{gem_name}.gemspec
+
+gem build %{gem_name}.gemspec
+mv %{gem_name}-%{version}.gem $TOPDIR
+
+popd
+rm -rf tmpunpackdir
 
 %build
+%gem_install
+
 
 %install
 mkdir -p %{buildroot}%{gem_dir}
@@ -96,6 +118,9 @@ popd
 %{gem_instdir}/templates/
 
 %changelog
+* Sun Dec 31 2017 Mamoru TASAKA <mtasaka@tbz.t-com.ne.jp> - 0.14.3-1
+- 0.14.3
+
 * Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0.14.2-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
 
diff --git a/sources b/sources
index 0f9c54c..9e1b2d0 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (aruba-0.14.2.gem) = 0a7c78500a75028ea4ac4ad79034248974fa1748ead9a7e49088e66f7d7458e6bf8f98047cc8e675b2bdf4b0fecca867e685cf0faa4a6f6bee764dda165ff060
+SHA512 (aruba-0.14.3.gem) = ed429df6b187fd0299a0980ce4d3f6b26d51e14f5ce01dca633a8fabf9573595548f5b165519cff2008f303657a3cbd999d1099afe776f5803e1d16e9a078e97