diff --git a/json-c.spec b/json-c.spec
index c58e53c..bf78954 100644
--- a/json-c.spec
+++ b/json-c.spec
@@ -8,9 +8,9 @@
 %global bootstrap   0
 
 %if 0%{?bootstrap}
-%global reldate_old 20171207
-%global version_old 0.13
-%global so_ver_old  3
+%global reldate_old 20180305
+%global version_old 0.13.1
+%global so_ver_old  4
 %endif