diff --git a/_service b/_service
index 118b746..0dc4f70 100644
--- a/_service
+++ b/_service
@@ -1,7 +1,7 @@
 <services>
   <service name="tar_scm" mode="disabled">
     <param name="filename">unison</param>
-    <param name="revision">2e12fc4f41b39ca9a5e501d7df5c2c33a75d3b95</param>
+    <param name="revision">f29b364cad83c71f5620c0df3b9b0049b62d2d60</param>
     <param name="scm">git</param>
     <param name="subdir">src</param>
     <param name="submodules">disable</param>
diff --git a/unison-2.51.4.tar.xz b/unison-2.51.4.tar.xz
new file mode 100644
index 0000000..82334b9
--- /dev/null
+++ b/unison-2.51.4.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d4e3f75471425b75d951a12f277be38d05ec10b75e3cbe9a7bc54785162a7d40
+size 486696
diff --git a/unison-2.51.4_rc2.tar.xz b/unison-2.51.4_rc2.tar.xz
deleted file mode 100644
index 25fc719..0000000
--- a/unison-2.51.4_rc2.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:da7150f4355737645ada1bf659340cafa0461cbe2481ebc5c6ed2193982d97be
-size 489072
diff --git a/unison.changes b/unison.changes
index 376611c..7d13a74 100644
--- a/unison.changes
+++ b/unison.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu Jun 24 15:15:15 UTC 2021 - olaf@aepfle.de
+
+- Update to version 2.51.4
+  * Working files are stored in the unison directory (typically ~/.unison) rather than $HOME.
+  * see included changelog for details
+
 -------------------------------------------------------------------
 Fri Apr  9 09:09:09 UTC 2021 - olaf@aepfle.de
 
diff --git a/unison.spec b/unison.spec
index b2b1910..b02a509 100644
--- a/unison.spec
+++ b/unison.spec
@@ -17,7 +17,7 @@
 
 
 Name:           unison
-Version:        2.51.4_rc2
+Version:        2.51.4
 Release:        0
 %{?ocaml_preserve_bytecode}
 Summary:        File synchronization tool
@@ -66,7 +66,7 @@ install -m 644 -D %{SOURCE2} %{buildroot}/%{_datadir}/applications/%{name}.deskt
 
 %files
 %defattr(-,root,root,-)
-%doc BUGS.txt CONTRIB COPYING NEWS README unison-manual.html
+%doc COPYING NEWS README unison-manual.html
 %{_datadir}/applications/*
 %{_datadir}/pixmaps/*
 %{_bindir}/%{name}