diff --git a/nbdkit.spec b/nbdkit.spec
index d1556f7..8c21bfb 100644
--- a/nbdkit.spec
+++ b/nbdkit.spec
@@ -48,8 +48,8 @@ ExclusiveArch:  x86_64
 %global source_directory 1.27-development
 
 Name:           nbdkit
-Version:        1.27.9
-Release:        2%{?dist}
+Version:        1.27.10
+Release:        1%{?dist}
 Summary:        NBD server
 
 License:        BSD
@@ -1239,6 +1239,9 @@ export LIBGUESTFS_TRACE=1
 
 
 %changelog
+* Tue Sep 21 2021 Richard W.M. Jones <rjones@redhat.com> - 1.27.10-1
+- New upstream development version 1.27.10.
+
 * Tue Sep 14 2021 Sahana Prasad <sahana@redhat.com> - 1.27.9-2
 - Rebuilt with OpenSSL 3.0.0
 
diff --git a/sources b/sources
index 33dfef5..80d4145 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (nbdkit-1.27.9.tar.gz) = bddfe61ef41c0bada014da0b06fa47900aa1cf29c69654c7c70dae4528163582cc86e9db9a8257fe124d7a0dbadbc41c88d9b86cd8e62692f40b17be05ba4417
-SHA512 (nbdkit-1.27.9.tar.gz.sig) = 338f4151173231d51a436f43880718ef8ede12adbe7c1908a0b1df6de24d6f38d10bc5f2c4b39770696d1e075fddd80838a47537eba4c798d9c303b93a74288a
+SHA512 (nbdkit-1.27.10.tar.gz) = af71fb68b06e6bc4d4d6fba95f6fda630c16b83ce92f4d2d463584b64cfb6ba5960706bea7257f6bce6d03abd4179ea346841f6f7d701b2fda44135859a35718
+SHA512 (nbdkit-1.27.10.tar.gz.sig) = 6261f99f19841b5ef6a9bc886da468d6ffbe0e17ed90a5534d44bda834d99649d34b3e2eea9427a48ccc5c81ae04d88caea4f25a7b37c66ad44d7f74dac91f3a