diff --git a/cepgen.spec b/cepgen.spec
index 1b2b90efc24..6d9d7a256b4 100644
--- a/cepgen.spec
+++ b/cepgen.spec
@@ -1,4 +1,4 @@
-### RPM external cepgen 1.2.1
+### RPM external cepgen 1.2.3
 
 Source: https://github.com/cepgen/cepgen/archive/refs/tags/%{realversion}.tar.gz