diff --git a/pythia8.spec b/pythia8.spec
index 04b2fdf9764..a7a6181db02 100644
--- a/pythia8.spec
+++ b/pythia8.spec
@@ -1,6 +1,6 @@
 ### RPM external pythia8 240
 
-%define tag 8d04d8f5080ad06cf3806e32e20d08850fe123f0
+%define tag bc4d696a8ac4e69943db8954dca3b16323ee577a
 %define branch cms/%{realversion}
 %define github_user cms-externals
 Source: git+https://github.com/%github_user/%{n}.git?obj=%{branch}/%{tag}&export=%{n}%{realversion}&output=/%{n}-%{realversion}.tgz