diff --git a/build.zig b/build.zig
index 97db2c97e1..ff762b0e84 100644
--- a/build.zig
+++ b/build.zig
@@ -750,6 +750,9 @@ pub fn build(b: *std.Build) !void {
     const parser_c = b.dependency("treesitter_c", .{ .target = target, .optimize = optimize_ts });
     parser_deps.dependOn(add_ts_parser(b, "c", parser_c.path("."), false, target, optimize_ts));
 
+    const parser_diff = b.dependency("treesitter_diff", .{ .target = target, .optimize = optimize_ts });
+    parser_deps.dependOn(add_ts_parser(b, "diff", parser_diff.path("."), false, target, optimize_ts));
+
     const parser_markdown = b.dependency("treesitter_markdown", .{ .target = target, .optimize = optimize_ts });
     parser_deps.dependOn(add_ts_parser(b, "markdown", parser_markdown.path("tree-sitter-markdown/"), true, target, optimize_ts));
     parser_deps.dependOn(add_ts_parser(b, "markdown_inline", parser_markdown.path("tree-sitter-markdown-inline/"), true, target, optimize_ts));
@@ -775,6 +778,7 @@ pub fn build(b: *std.Build) !void {
         const wasm_ts_parsers = [_]WasmTsParser{
             .{ .name = "lua", .dir = parser_lua.path("."), .has_scanner = true },
             .{ .name = "c", .dir = parser_c.path("."), .has_scanner = false },
+            .{ .name = "diff", .dir = parser_diff.path("."), .has_scanner = false },
             .{ .name = "markdown", .dir = parser_markdown.path("tree-sitter-markdown/"), .has_scanner = true },
             .{ .name = "markdown_inline", .dir = parser_markdown.path("tree-sitter-markdown-inline/"), .has_scanner = true },
             .{ .name = "vim", .dir = parser_vim.path("."), .has_scanner = true },
diff --git a/build.zig.zon b/build.zig.zon
index c89127b59b..29cc6b192e 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -73,6 +73,10 @@
             .url = "https://github.com/the-argus/zig-compile-commands/archive/9400cd1963ea6bb58fe47ba7d9700075b808cdd2.tar.gz",
             .hash = "zig_compile_commands-0.0.1-OZg5-e_JAAAGg1WHAePtq4l4Uvjs34BexnFFCZk63EaG",
         },
+        .treesitter_diff = .{
+            .url = "git+https://github.com/tree-sitter-grammars/tree-sitter-diff?ref=v0.1.0#2520c3f934b3179bb540d23e0ef45f75304b5fed",
+            .hash = "N-V-__8AAAULEwDDBPj9cGOTHPT1iE6oZabnwo70bstgVEf_",
+        },
     },
     .paths = .{
         // TODO(bfredl): explicitly list the subdirs which actually are used
diff --git a/cmake.deps/cmake/BuildTreesitterParsers.cmake b/cmake.deps/cmake/BuildTreesitterParsers.cmake
index f71f1335ab..7fafcddb72 100644
--- a/cmake.deps/cmake/BuildTreesitterParsers.cmake
+++ b/cmake.deps/cmake/BuildTreesitterParsers.cmake
@@ -28,7 +28,7 @@ function(BuildTSParser)
     ${EXTERNALPROJECT_OPTIONS})
 endfunction()
 
-foreach(lang c lua vim vimdoc query)
+foreach(lang c diff lua vim vimdoc query)
   BuildTSParser(LANG ${lang})
 endforeach()
 BuildTSParser(LANG markdown CMAKE_FILE MarkdownParserCMakeLists.txt)
diff --git a/cmake.deps/deps.txt b/cmake.deps/deps.txt
index 3f2cf50f2a..7a9b53b215 100644
--- a/cmake.deps/deps.txt
+++ b/cmake.deps/deps.txt
@@ -35,6 +35,8 @@ UTF8PROC_SHA256 abfed50b6d4da51345713661370290f4f4747263ee73dc90356299dfc7990c78
 
 TREESITTER_C_URL https://github.com/tree-sitter/tree-sitter-c/archive/v0.24.2.tar.gz
 TREESITTER_C_SHA256 2eeb4db31f8fa0865e45488503d13403923bcb485a1bdb637abff8c42dd97364
+TREESITTER_DIFF_URL https://github.com/tree-sitter-grammars/tree-sitter-diff/archive/v0.1.0.tar.gz
+TREESITTER_DIFF_SHA256 0d0414ac873c33154b458f4d62fe096aa966392ff416920a08c5629c765aaed3
 TREESITTER_LUA_URL https://github.com/tree-sitter-grammars/tree-sitter-lua/archive/v0.5.0.tar.gz
 TREESITTER_LUA_SHA256 cf01b93f4b61b96a6d27942cf28eeda4cbce7d503c3bef773a8930b3d778a2d9
 TREESITTER_LUA_WASM_URL https://github.com/tree-sitter-grammars/tree-sitter-lua/releases/download/v0.5.0/tree-sitter-lua.wasm
diff --git a/scripts/bump_deps.lua b/scripts/bump_deps.lua
index df655406c3..e702c53f9c 100755
--- a/scripts/bump_deps.lua
+++ b/scripts/bump_deps.lua
@@ -17,6 +17,7 @@ local repos = {
   'juliastrings/utf8proc',
   'tree-sitter/tree-sitter',
   'tree-sitter/tree-sitter-c',
+  'tree-sitter-grammars/tree-sitter-diff',
   'tree-sitter-grammars/tree-sitter-lua',
   'tree-sitter-grammars/tree-sitter-vim',
   'neovim/tree-sitter-vimdoc',
diff --git a/src/static_ts_registry.c b/src/static_ts_registry.c
index fba96a8895..5529581a78 100644
--- a/src/static_ts_registry.c
+++ b/src/static_ts_registry.c
@@ -6,6 +6,7 @@
 
 extern const TSLanguage *tree_sitter_lua(void);
 extern const TSLanguage *tree_sitter_c(void);
+extern const TSLanguage *tree_sitter_diff(void);
 extern const TSLanguage *tree_sitter_vim(void);
 extern const TSLanguage *tree_sitter_markdown(void);
 extern const TSLanguage *tree_sitter_markdown_inline(void);
@@ -22,6 +23,7 @@ typedef struct {
 static TsParserEntry parsers[] = {
   { "lua", tree_sitter_lua },
   { "c", tree_sitter_c },
+  { "diff", tree_sitter_diff },
   { "vim", tree_sitter_vim },
   { "markdown", tree_sitter_markdown },
   { "markdown_inline", tree_sitter_markdown_inline },