diff --git a/rubygem-json.spec b/rubygem-json.spec
index aec8d37..eb4a996 100644
--- a/rubygem-json.spec
+++ b/rubygem-json.spec
@@ -1,6 +1,6 @@
 %global	gem_name	json
 
-%global	pkg_version_num		2.21.2
+%global	pkg_version_num		2.19.9
 %dnl		%global	pkg_version_alpha
 %global	gem_version()		%{pkg_version_num}%{?pkg_version_alpha:.%pkg_version_alpha}
 
@@ -136,21 +136,6 @@ popd
 
 
 %changelog
-* Tue Aug 04 2026 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.21.2-1
-- 2.21.2
-
-* Fri Jul 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 2.21.1-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild
-
-* Mon Jul 13 2026 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.21.1-1
-- 2.21.1
-
-* Sun Jul 12 2026 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.21.0-1
-- 2.21.0
-
-* Thu Jun 25 2026 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.20.0-1
-- 2.20.0
-
 * Fri Jun 12 2026 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.19.9-1
 - 2.19.9
 
diff --git a/sources b/sources
index 3445485..b12ce6b 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (json-2.21.2.gem) = baac1f08785c89b52d8bed48e6da4449b41beff57fb0284c50510ce479c907a7eb8f7d6285936b00407cb0b5c519c3d54a9b96dcead2ddf1909c37da0320c40c
-SHA512 (rubygem-json-2.21.2-missing-files.tar.gz) = f769ecb75815a5318d209bc8550a8f2618a24aba960fca9f559a52e0e153b227937d6e832876b7e7876b0cd9e88aea28b0c203adc18a71dc60deb4b6dae77d22
+SHA512 (rubygem-json-2.19.9-missing-files.tar.gz) = f6387d16ecce8a3cdc46062c05111372d38a218b8a793edf5e4b4b99c06f63229227a82b5e31b27417c8c0e48c4f7a11b48a13cd8b8b1aa3112127fab9edd211
+SHA512 (json-2.19.9.gem) = 1ed9781feb012b292413ab0a3c20de464a04b0cee45a1384b3bf4a00403bfd6e500a2815d22724b1e59c147a36fdd9862ad716c54b92e7f9bacf1ed4957ca7c3