diff --git a/nbdkit.spec b/nbdkit.spec
index 306728a..37c14af 100644
--- a/nbdkit.spec
+++ b/nbdkit.spec
@@ -44,7 +44,7 @@ ExclusiveArch:  x86_64
 %global source_directory 1.21-development
 
 Name:           nbdkit
-Version:        1.21.10
+Version:        1.21.11
 Release:        1%{?dist}
 Summary:        NBD server
 
@@ -1012,6 +1012,9 @@ make %{?_smp_mflags} check || {
 
 
 %changelog
+* Fri Jun 19 2020 Richard W.M. Jones <rjones@redhat.com> - 1.21.11-1
+- New upstream development version 1.21.11.
+
 * Mon Jun 15 2020 Richard W.M. Jones <rjones@redhat.com> - 1.21.10-1
 - New upstream development version 1.21.10.
 - This makes nbdkit-basic-plugins depend on zstd.
diff --git a/sources b/sources
index 282e8ca..0c52e35 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (nbdkit-1.21.10.tar.gz) = 9baf542d4b2a8417ca5b930c6b2fdd865c8c06e3a8f726b58a42eb7ed9071175e850d761de73bec49d3490bad8703e3a9ad35f51d9722b0360f3ab1058230ccc
-SHA512 (nbdkit-1.21.10.tar.gz.sig) = cf1ae9a0112d48a3ace86fc616d341008919a49bcb593d813e576e7322e972b2eea1461681f217baad9ec47a97c0a5fad273bb07a4346547578ebfe06e3c607b
+SHA512 (nbdkit-1.21.11.tar.gz) = 15717e7ca7951f6bf9bedf9d1bc563864c20d5177ae112f549dd80195574a53a6a0d0cfbfbc296cc7d04889c6925d01f12b71ba9f5d659becfb312c0f9f8528c
+SHA512 (nbdkit-1.21.11.tar.gz.sig) = e37ccc9edb521dd808071e7467c1aee84f54c5972290fe2c4923cf231204002e07883cd8fec4d77db1cd2f0568fc1943db3b3fa61cc18ae8bd7515d46389c0e7