diff --git a/ocaml-calendar.spec b/ocaml-calendar.spec
index 4cd0499..debf1b2 100644
--- a/ocaml-calendar.spec
+++ b/ocaml-calendar.spec
@@ -4,7 +4,7 @@
 
 Name:           ocaml-calendar
 Version:        2.04
-Release:        25%{?dist}
+Release:        26%{?dist}
 Summary:        Objective Caml library for managing dates and times
 License:        LGPLv2
 
@@ -77,6 +77,9 @@ make install
 
 
 %changelog
+* Sun Jan 19 2020 Richard W.M. Jones <rjones@redhat.com> - 2.04-26
+- OCaml 4.10.0+beta1 rebuild.
+
 * Thu Jan 09 2020 Richard W.M. Jones <rjones@redhat.com> - 2.04-25
 - OCaml 4.09.0 for riscv64