diff --git a/nbdkit.spec b/nbdkit.spec
index e9ef82f..763e45a 100644
--- a/nbdkit.spec
+++ b/nbdkit.spec
@@ -45,8 +45,8 @@ ExclusiveArch:  x86_64
 %global source_directory 1.23-development
 
 Name:           nbdkit
-Version:        1.23.2
-Release:        2%{?dist}
+Version:        1.23.3
+Release:        1%{?dist}
 Summary:        NBD server
 
 License:        BSD
@@ -1198,6 +1198,9 @@ export LIBGUESTFS_TRACE=1
 
 
 %changelog
+* Sat Sep 05 2020 Richard W.M. Jones <rjones@redhat.com> - 1.23.3-1
+- New upstream development version 1.23.3.
+
 * Tue Sep 01 2020 Richard W.M. Jones <rjones@redhat.com> - 1.23.2-2
 - OCaml 4.11.1 rebuild
 
diff --git a/sources b/sources
index 4df881e..54b3dab 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (nbdkit-1.23.2.tar.gz) = 0e8fa7a9538ba8e3456a492a868d82a9a38342ba63e5f65851c4d2cf309752b83bd2a82a97d5389844fd4aebbd934ba4fa55695b7b0792e2d231325fe86404a5
-SHA512 (nbdkit-1.23.2.tar.gz.sig) = 9c3dfdff3a3989414d0ca50ad5db502da246bbdf735888eda3be9b6ed133ed2e738ce5af26fab22ac94ead1af7be74c7da3756689ba4549bc81ed54de66afabb
+SHA512 (nbdkit-1.23.3.tar.gz) = 7051170210128f4091e0704b15bf4b7df0f146bdf239393c214c0c60b4314ba79f746f96e0661f03ee1676b843cec555be350c4dc8635aa9d5de2923bab268e1
+SHA512 (nbdkit-1.23.3.tar.gz.sig) = 1d05950cb4f1d8e3420ba9390f98c35e0585e9976c506c26d5a1192a1a2b3e4e2e886db2d229b7ef93c7db00f22490a8fd022a9bd6d419c7922176de7496ff48