diff --git a/pythia8.spec b/pythia8.spec
index 99e9c32919e..51d40e956dd 100644
--- a/pythia8.spec
+++ b/pythia8.spec
@@ -1,9 +1,6 @@
-### RPM external pythia8 306
+### RPM external pythia8 309
 
-%define tag 2859dafb545a8ede707a86b4eff4a329c21cfd6a
-%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
+Source: https://pythia.org/download/pythia83/%{n}%{realversion}.tgz
 
 Requires: hepmc hepmc3 lhapdf