diff --git a/knights-21.03.80.tar.xz b/knights-21.03.80.tar.xz
deleted file mode 100644
index af7f26d..0000000
--- a/knights-21.03.80.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:56a8096aac8f2049396f15f351f5353749f3bee94cfb47fce666869504bd2ba4
-size 3536316
diff --git a/knights-21.03.80.tar.xz.sig b/knights-21.03.80.tar.xz.sig
deleted file mode 100644
index 8fe6606..0000000
--- a/knights-21.03.80.tar.xz.sig
+++ /dev/null
@@ -1,16 +0,0 @@
------BEGIN PGP SIGNATURE-----
-
-iQIzBAABCgAdFiEEyiYsbIPeTS+yijMqOmpNuDnqptcFAmBXHtUACgkQOmpNuDnq
-ptcPoxAAqKTwdkdlPEX5FKSHkigg8QSg74W3FpMX2v73ApZZiMaXaSRsvYKete9u
-SC4YZPhX2DZyfNdQH5QZsdpt7kOYfAXE/q+u6VdtYEwkBjsUqYXKb7rkDpQxz/Mf
-KMcZZBUFsCi0DXcHzWkn2hQfH1v4cIhpalnHI6hFTIL8GaIZs4otEL8B9WRo6Kgg
-j0xFPwu4zhWw1+S5bH28TnROxu1gTEWJ50L+DS9/4SxOELzmbyl7d+LlGOA7g8E5
-l3GYLK22hNiSO0eFGHG7YmyVQfzAOULDODCK+LYqoLbkDWLU28lOqo+mVtJXBPLn
-iIQ0nPk5oLPWlB4XmyQARwlPirZbXxubQs4TOANe/lRvMPq18v9LcpReJpRUM+Pe
-wivnn8vIhap7GKzTAVxGunPeVcl0Nagx3i8cZhV082OUZllGMKRyjZX/QBiMMP7N
-4jffpkhUJTjhXbk8HK4kSjkgenf47a6DVApfwv+aypVcYyE4EKJM0MZcu7h5Wcke
-V4/OKfONoaRQQyd9g6MlcV+e1V1VdLftsuJryRL6ICo/J8uyIB5E5baINnqKkFjx
-NWiOlg156ZBAxybth9F262qG7hZpxnQooGwKv0iqZA8YDN21cFDQQJKevKekE4y0
-NoFVqQkAgWJcp9xHT0x1QZLk35qDdDPY4YdMCBcaA1iVawU9ErQ=
-=TqM4
------END PGP SIGNATURE-----
diff --git a/knights-21.03.90.tar.xz b/knights-21.03.90.tar.xz
new file mode 100644
index 0000000..c728054
--- /dev/null
+++ b/knights-21.03.90.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:28a8ebaae8e1bb9ac4c824f131bcb6a46c9c8d6730d2f69c17216425989459da
+size 3536392
diff --git a/knights-21.03.90.tar.xz.sig b/knights-21.03.90.tar.xz.sig
new file mode 100644
index 0000000..009fd01
--- /dev/null
+++ b/knights-21.03.90.tar.xz.sig
@@ -0,0 +1,16 @@
+-----BEGIN PGP SIGNATURE-----
+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+=FmGT
+-----END PGP SIGNATURE-----
diff --git a/knights.changes b/knights.changes
index ff43c8c..80d5dda 100644
--- a/knights.changes
+++ b/knights.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Fri Apr  9 17:40:45 UTC 2021 - Christophe Giboudeaux <christophe@krop.fr>
+
+- Update to 21.03.90
+  * New feature release
+- No code change since 21.03.80
+
 -------------------------------------------------------------------
 Sun Mar 21 13:28:33 UTC 2021 - Christophe Giboudeaux <christophe@krop.fr>
 
diff --git a/knights.spec b/knights.spec
index 89b8466..b011973 100644
--- a/knights.spec
+++ b/knights.spec
@@ -18,7 +18,7 @@
 
 %bcond_without lang
 Name:           knights
-Version:        21.03.80
+Version:        21.03.90
 Release:        0
 Summary:        A simple chess board
 License:        GPL-2.0-or-later