diff --git a/nbdkit.spec b/nbdkit.spec
index 92ec631..b182c1d 100644
--- a/nbdkit.spec
+++ b/nbdkit.spec
@@ -45,7 +45,7 @@ ExclusiveArch:  x86_64
 %global source_directory 1.23-development
 
 Name:           nbdkit
-Version:        1.23.3
+Version:        1.23.4
 Release:        1%{?dist}
 Summary:        NBD server
 
@@ -1200,6 +1200,9 @@ export LIBGUESTFS_TRACE=1
 
 
 %changelog
+* Tue Sep 08 2020 Richard W.M. Jones <rjones@redhat.com> - 1.23.4-1
+- New upstream development version 1.23.4.
+
 * Sat Sep 05 2020 Richard W.M. Jones <rjones@redhat.com> - 1.23.3-1
 - New upstream development version 1.23.3.
 
diff --git a/sources b/sources
index 54b3dab..0c40180 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (nbdkit-1.23.3.tar.gz) = 7051170210128f4091e0704b15bf4b7df0f146bdf239393c214c0c60b4314ba79f746f96e0661f03ee1676b843cec555be350c4dc8635aa9d5de2923bab268e1
-SHA512 (nbdkit-1.23.3.tar.gz.sig) = 1d05950cb4f1d8e3420ba9390f98c35e0585e9976c506c26d5a1192a1a2b3e4e2e886db2d229b7ef93c7db00f22490a8fd022a9bd6d419c7922176de7496ff48
+SHA512 (nbdkit-1.23.4.tar.gz) = 00136d583ccc798ea69934ba344e30255615f4af55ead5e46f48a47ad3880481cbd681b96de5db8145234625db02f5de28c9bbbcb3a5046e2fd2982a226926fa
+SHA512 (nbdkit-1.23.4.tar.gz.sig) = 00e7c024c47e3e84dc78c2a41f8866649ac3b857ce177471b618482ba43e8849c311335dac8211c152dfbbe75d6e38d49e1bd6ff537758bd1c927b11c7d59490