diff --git a/nbdkit.spec b/nbdkit.spec
index bf21628..4316fc5 100644
--- a/nbdkit.spec
+++ b/nbdkit.spec
@@ -44,8 +44,8 @@ ExclusiveArch:  x86_64
 %global source_directory 1.21-development
 
 Name:           nbdkit
-Version:        1.21.19
-Release:        2%{?dist}
+Version:        1.21.20
+Release:        1%{?dist}
 Summary:        NBD server
 
 License:        BSD
@@ -1064,6 +1064,9 @@ export LIBGUESTFS_TRACE=1
 
 
 %changelog
+* Fri Jul 24 2020 Richard W.M. Jones <rjones@redhat.com> - 1.21.20-1
+- New upstream development version 1.21.20.
+
 * Tue Jul 21 2020 Tom Stellard <tstellar@redhat.com> - 1.21.19-2
 - Use make macros
 - https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro
diff --git a/sources b/sources
index 42a55d8..2dbf9f5 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (nbdkit-1.21.19.tar.gz) = 2e0782b66e36d9c136715c42ab111f0325dc6dc3da7bf7b413a1d06f2b7364e8f2ba544d6d8dab5a41db7eb11b2af1ef964eb567c9b052eede75a86e8e6b8362
-SHA512 (nbdkit-1.21.19.tar.gz.sig) = bb9e0686da3c1922d8745060a2f7b1e1fe23e9e435432e297f91da23fe675f482e265752c8a0de4c08c016e351a1ac23ec3317153e31538a0c60d9036d3a7e30
+SHA512 (nbdkit-1.21.20.tar.gz) = ce09dcdaf2017f044d2aabfd76c40896e94a1e5faddbc73d1ab4e8133bf279f5c1ef481bc9d6e8961bf4836fc6cb50c297b0f44d22fb474c19bf6cdfca42597f
+SHA512 (nbdkit-1.21.20.tar.gz.sig) = 295ce3b95da660146cf4e254c14409f41d87f6ab25fe38c6c0e944f8d000256befb0bffaeee98d1731f589946644d005602ee7e6083f3d5b6a49393ef3358d4f