diff --git a/NEWS b/NEWS
index 0d165bd95..098a4948b 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-New in spot 2.10.4.dev  (net yet released)
+New in spot 2.10.5.dev  (not yet released)
 
   Command-line tools:
 
@@ -82,12 +82,23 @@ New in spot 2.10.4.dev  (net yet released)
     averted in the parser by delaying the construction of such n-ary
     nodes until all children are known.
 
+New in spot 2.10.5  (2022-05-03)
+
   Bugs fixed:
 
   - reduce_parity() produced incorrect results when applied to
     automata with deleted edges.
 
-  - work around a portability issue in Flex 2.6.4 preventing
+  - An optimization of Zielonka could result in incorrect results
+    in some cases.
+
+  - ltlsynt --print-pg incorrectly solved the game in addition to
+    printing it.
+
+  - ltlsynt would fail if only one of --ins or --outs was set, and
+    if it was set empty.
+
+  - Work around a portability issue in Flex 2.6.4 preventing
     compilation on OpenBSD.
 
   - Do not use the seq command in test cases, it is not available
@@ -96,6 +107,12 @@ New in spot 2.10.4.dev  (net yet released)
   - Do not erase the previous contents of the PYTHONPATH environment
     variable when running tests, prepend to it instead.
 
+  - Simplify Debian instructions for LTO build to work around newer
+    libtool version.
+
+  - Fix invalid read in digraph::sort_edges_of_(), currently unused in
+    Spot.
+
 New in spot 2.10.4  (2022-02-01)
 
   Bug fixed:
diff --git a/configure.ac b/configure.ac
index 81d5a24e3..212db0432 100644
--- a/configure.ac
+++ b/configure.ac
@@ -21,7 +21,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.69])
-AC_INIT([spot], [2.10.4.dev], [spot@lrde.epita.fr])
+AC_INIT([spot], [2.10.5.dev], [spot@lrde.epita.fr])
 AC_CONFIG_AUX_DIR([tools])
 AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([1.11 gnu tar-ustar color-tests parallel-tests])
diff --git a/doc/org/setup.org b/doc/org/setup.org
index 3b8b1b404..c1b7e9235 100644
--- a/doc/org/setup.org
+++ b/doc/org/setup.org
@@ -1,11 +1,11 @@
 #+OPTIONS: H:2 num:nil toc:t html-postamble:nil ^:nil
 #+EMAIL: spot@lrde.epita.fr
 #+HTML_LINK_HOME: index.html
-#+MACRO: SPOTVERSION 2.10.4
-#+MACRO: LASTRELEASE 2.10.4
-#+MACRO: LASTTARBALL [[http://www.lrde.epita.fr/dload/spot/spot-2.10.4.tar.gz][=spot-2.10.4.tar.gz=]]
-#+MACRO: LASTNEWS [[https://gitlab.lrde.epita.fr/spot/spot/blob/spot-2-10-4/NEWS][summary of the changes]]
-#+MACRO: LASTDATE 2022-02-01
+#+MACRO: SPOTVERSION 2.10.5
+#+MACRO: LASTRELEASE 2.10.5
+#+MACRO: LASTTARBALL [[http://www.lrde.epita.fr/dload/spot/spot-2.10.5.tar.gz][=spot-2.10.5.tar.gz=]]
+#+MACRO: LASTNEWS [[https://gitlab.lrde.epita.fr/spot/spot/blob/spot-2-10-5/NEWS][summary of the changes]]
+#+MACRO: LASTDATE 2022-05-03
 
 #+ATTR_HTML: :id spotlogo
 [[file:spot2.svg]]