diff --git a/nbdkit.spec b/nbdkit.spec
index d3a63f9..8745e36 100644
--- a/nbdkit.spec
+++ b/nbdkit.spec
@@ -46,7 +46,7 @@ ExclusiveArch:  x86_64
 
 Name:           nbdkit
 Version:        1.25.2
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        NBD server
 
 License:        BSD
@@ -1209,6 +1209,9 @@ export LIBGUESTFS_TRACE=1
 
 
 %changelog
+* Tue Mar  2 2021 Richard W.M. Jones <rjones@redhat.com> - 1.25.2-2
+- OCaml 4.12.0 build (RHBZ#1934138).
+
 * Wed Feb 03 2021 Richard W.M. Jones <rjones@redhat.com> - 1.25.2-1
 - New upstream development version 1.25.2.
 - Remove all remaining traces of nbdkit-gzip-plugin and nbdkit-tar-plugin.