diff --git a/nbdkit.spec b/nbdkit.spec
index 5c7e58b..4d24f80 100644
--- a/nbdkit.spec
+++ b/nbdkit.spec
@@ -27,7 +27,7 @@
 %global source_directory 1.11-development
 
 Name:           nbdkit
-Version:        1.11.11
+Version:        1.11.12
 Release:        1%{?dist}
 Summary:        NBD server
 
@@ -457,6 +457,8 @@ nbdkit-partition-filter    Serve a single partition.
 
 nbdkit-rate-filter         Limit bandwidth by connection or server.
 
+nbdkit-readahead-filter    Prefetch data when reading sequentially.
+
 nbdkit-truncate-filter     Truncate, expand, round up or round down size.
 
 
@@ -781,6 +783,7 @@ make %{?_smp_mflags} check || {
 %{_libdir}/%{name}/filters/nbdkit-offset-filter.so
 %{_libdir}/%{name}/filters/nbdkit-partition-filter.so
 %{_libdir}/%{name}/filters/nbdkit-rate-filter.so
+%{_libdir}/%{name}/filters/nbdkit-readahead-filter.so
 %{_libdir}/%{name}/filters/nbdkit-truncate-filter.so
 %{_mandir}/man1/nbdkit-blocksize-filter.1*
 %{_mandir}/man1/nbdkit-cache-filter.1*
@@ -793,6 +796,7 @@ make %{?_smp_mflags} check || {
 %{_mandir}/man1/nbdkit-offset-filter.1*
 %{_mandir}/man1/nbdkit-partition-filter.1*
 %{_mandir}/man1/nbdkit-rate-filter.1*
+%{_mandir}/man1/nbdkit-readahead-filter.1*
 %{_mandir}/man1/nbdkit-truncate-filter.1*
 
 
@@ -830,6 +834,10 @@ make %{?_smp_mflags} check || {
 
 
 %changelog
+* Tue Apr 02 2019 Richard W.M. Jones <rjones@redhat.com> - 1.11.12-1
+- New upstream version 1.11.12.
+- New nbdkit-readahead-filter.
+
 * Fri Mar 29 2019 Richard W.M. Jones <rjones@redhat.com> - 1.11.11-1
 - New upstream version 1.11.11.
 
diff --git a/sources b/sources
index 83c6570..551e661 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (nbdkit-1.11.11.tar.gz) = 85569fde8ac96b69d09ebf6c7fef22bde3a447764fc08b1b32112536088b5d60e18ce8086527bf9d1a58c656ba79c8f20c3161ab020e1b4b00cbe745046e8408
-SHA512 (nbdkit-1.11.11.tar.gz.sig) = 7f2545ec3a21ef771dc16ef6ab348761211bf4d597da9257f15a26f77fb2817baa9d69ad51b9748408c3ab29dfff4bc4052131d33850ed57ed8694813b5e2f70
+SHA512 (nbdkit-1.11.12.tar.gz) = 94e815915682807e326aa6b3c956dae1214807452535d8206122a4f1e834d2e46e327e87602ac18b283b96a956b41eb3e1ae54cdff5ab2c32f955ac6cd799985
+SHA512 (nbdkit-1.11.12.tar.gz.sig) = 2fc24dc3a3369c5c26a5187630859d44321db1800c7600adad616017ee79149f0e2fb4d8cbe01c5cf3c7d0a4bd81601a74d8bc61f0ea842c5c31540146efc047