diff --git a/gitlog.txt b/gitlog.txt
index 5229a081..238e77c7 100644
--- a/gitlog.txt
+++ b/gitlog.txt
@@ -1 +1 @@
-* [8.1.0952](https://github.com/vim/vim/releases/tag/v8.1.0952): compilation warnings when building the MS-Windows installer\n* [8.1.0951](https://github.com/vim/vim/releases/tag/v8.1.0951): using WIN64 even though it is never defined\n* [8.1.0950](https://github.com/vim/vim/releases/tag/v8.1.0950): using :python sets 'pyxversion' even when not executed\n* [8.1.0949](https://github.com/vim/vim/releases/tag/v8.1.0949): MS-windows defines GUI macros different than other systems\n* [8.1.0948](https://github.com/vim/vim/releases/tag/v8.1.0948): when built without +eval "Vim --clean" produces errors\n* [8.1.0947](https://github.com/vim/vim/releases/tag/v8.1.0947): using MSWIN before it is defined\n* Revert change accidentally included in runtime file updates. Closes #3998.
+* [8.1.0956](https://github.com/vim/vim/releases/tag/v8.1.0956): using context:0 in 'diffopt' does not work well\n* [8.1.0955](https://github.com/vim/vim/releases/tag/v8.1.0955): matchit autoload directory not in installer\n* [8.1.0954](https://github.com/vim/vim/releases/tag/v8.1.0954): arguments of semsg() and siemsg() are not checked\n* [8.1.0953](https://github.com/vim/vim/releases/tag/v8.1.0953): a very long file is truncated at 2^31 lines
diff --git a/vim b/vim
index bbd854dc..b9ddda6c 160000
--- a/vim
+++ b/vim
@@ -1 +1 @@
-Subproject commit bbd854dc57e82937eb7b95af220a2f137ded64f8
+Subproject commit b9ddda6c2d98d99c09d58145c1b5b4042a8fd92c