diff --git a/.gitignore b/.gitignore
index 9b16bc3..b4b4af2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1 @@
 /krandown-*.gem
-/kramdown-2.3.2.gem
diff --git a/rubygem-kramdown.spec b/rubygem-kramdown.spec
index 6ed0630..d1d3499 100644
--- a/rubygem-kramdown.spec
+++ b/rubygem-kramdown.spec
@@ -2,7 +2,7 @@
 %global gem_name kramdown
 
 Name: rubygem-%{gem_name}
-Version: 2.3.2
+Version: 2.4.0
 Release: 1%{?dist}
 Summary: Fast, pure-Ruby Markdown-superset converter
 
@@ -47,7 +47,12 @@ Documentation for %{name}
 
 %prep
 %setup -q -n %{gem_name}-%{version}
-mv ../%{gem_name}-%{version}.gemspec .
+%if 0%{?fedora} >= 37
+GEMSPECPATH=%{_sourcedir}
+%else
+GEMSPECPATH=%{_builddir}
+%endif
+mv $GEMSPECPATH/%{gem_name}-%{version}.gemspec .
 
 %build
 gem build %{gem_name}-%{version}.gemspec
@@ -106,6 +111,9 @@ popd
 %doc	%{gem_docdir}
 
 %changelog
+* Tue Apr 26 2022 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.4.0-1
+- 2.4.0
+
 * Sun Mar 20 2022 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.3.2-1
 - 2.3.2