diff --git a/ocaml-cil.spec b/ocaml-cil.spec
index 29c8ba9..2eda5c4 100644
--- a/ocaml-cil.spec
+++ b/ocaml-cil.spec
@@ -3,7 +3,7 @@
 
 Name:           ocaml-cil
 Version:        1.7.3
-Release:        65%{?dist}
+Release:        66%{?dist}
 Summary:        CIL - Infrastructure for C Program Analysis and Transformation
 License:        BSD
 
@@ -205,6 +205,9 @@ cp doc/html/cil/CIL.pdf doc/ocaml-cil/cil-manual.pdf
 
 
 %changelog
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.7.3-66
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Tue Sep 01 2020 Richard W.M. Jones <rjones@redhat.com> - 1.7.3-65
 - OCaml 4.11.1 rebuild