diff --git a/rubygem-json.spec b/rubygem-json.spec
index 5bd931e..bd1149e 100644
--- a/rubygem-json.spec
+++ b/rubygem-json.spec
@@ -1,6 +1,6 @@
 %global	gem_name	json
 
-%global	pkg_version_num		2.18.0
+%global	pkg_version_num		2.10.2
 %dnl		%global	pkg_version_alpha
 %global	gem_version()		%{pkg_version_num}%{?pkg_version_alpha:.%pkg_version_alpha}
 
@@ -136,30 +136,6 @@ popd
 
 
 %changelog
-* Fri Jan 09 2026 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.18.0-1
-- 2.18.0
-
-* Tue Oct 07 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.15.1-1
-- 2.15.1
-
-* Thu Sep 25 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.15.0-1
-- 2.15.0
-
-* Thu Jul 31 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.13.2-1
-- 2.13.2
-
-* Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 2.12.2-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
-
-* Tue May 27 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.12.2-1
-- 2.12.2
-
-* Fri May 16 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.12.0-1
-- 2.12.0
-
-* Tue Apr 29 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.11.3-1
-- 2.11.3
-
 * Wed Mar 12 2025 Mamoru TASAKA <mtasaka@fedoraproject.org> - 2.10.2-1
 - 2.10.2
 
diff --git a/sources b/sources
index 93dc102..0847247 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (json-2.18.0.gem) = 02b25232a78f0da5bab6db01771385bb0bcefbd6f182314474ca23b61af6a2ec0a66b160ec7a9a3d6c75ccd3a57da08897400fe2673f5cca6a650e133029b884
-SHA512 (rubygem-json-2.18.0-missing-files.tar.gz) = 73453c9e4312ede95f5a3a794cf86f8d138be5425e40e410326fab3592c22710837e5e2c118c4e947466042e6d300a0bd7cb652a3325bb3b9e617705356411da
+SHA512 (json-2.10.2.gem) = ba45552fd36ea02ee2d47f05598cb45833694502156a1b6703a4d1ee75ec7bd8378c155d79f0aa39cac52aed068348cb7daf2cbf94f9111881e7cbfa7abb5496
+SHA512 (rubygem-json-2.10.2-missing-files.tar.gz) = 79d923ebf43835f2f49d7ad009d002a0b2f2fefaef3c4910145aac624bc22cbbfbcceb1d2c3134a7e6b79f66729fb77f8511fc5c5b68945f029eeb7e8ceff58d