diff --git a/lua/neotest/lib/file/init.lua b/lua/neotest/lib/file/init.lua
index 89297d24..404bfd8d 100644
--- a/lua/neotest/lib/file/init.lua
+++ b/lua/neotest/lib/file/init.lua
@@ -4,6 +4,7 @@ local nio = require("nio")
 local filetype = require("plenary.filetype")
 local fu = require("neotest.lib.func_util")
 local types = require("neotest.types")
+local utils = require("neotest.utils")
 local Tree = types.Tree
 
 local neotest = { lib = {} }
@@ -354,7 +355,7 @@ end
 ---@param ... string Patterns to match e.g "*.py"
 ---@return fun(path: string): string | nil
 function neotest.lib.files.match_root_pattern(...)
-  local patterns = vim.tbl_flatten({ ... })
+  local patterns = utils.tbl_flatten({ ... })
   return function(start_path)
     local start_parents = Path:new(start_path):parents()
     local home = os.getenv("HOME")
diff --git a/lua/neotest/lib/positions/init.lua b/lua/neotest/lib/positions/init.lua
index 208a1b54..3e11b75c 100644
--- a/lua/neotest/lib/positions/init.lua
+++ b/lua/neotest/lib/positions/init.lua
@@ -1,5 +1,6 @@
 local Path = require("plenary.path")
 local Tree = require("neotest.types").Tree
+local utils = require("neotest.utils")
 
 local neotest = { lib = {} }
 
@@ -251,7 +252,7 @@ function neotest.lib.positions.parse_tree(positions, opts)
     ---@param parents neotest.Position[] Parent positions for the position
     position_id = function(position, parents)
       return table.concat(
-        vim.tbl_flatten({
+        utils.tbl_flatten({
           position.path,
           vim.tbl_map(function(pos)
             return pos.name
diff --git a/lua/neotest/logging.lua b/lua/neotest/logging.lua
index b611dd39..cc982535 100644
--- a/lua/neotest/logging.lua
+++ b/lua/neotest/logging.lua
@@ -1,4 +1,5 @@
 local config = require("neotest.config")
+local utils = require("neotest.utils")
 local loggers = {}
 
 local log_date_format = "%FT%H:%M:%SZ%z"
@@ -37,7 +38,7 @@ function Logger.new(filename, opts)
   end)()
 
   local function path_join(...)
-    return table.concat(vim.tbl_flatten({ ... }), path_sep)
+    return table.concat(utils.tbl_flatten({ ... }), path_sep)
   end
 
   logger._level = opts.level or config.log_level
diff --git a/lua/neotest/utils/init.lua b/lua/neotest/utils/init.lua
new file mode 100644
index 00000000..04234180
--- /dev/null
+++ b/lua/neotest/utils/init.lua
@@ -0,0 +1,8 @@
+local M = {}
+
+function M.tbl_flatten(t)
+  return vim.fn.has("nvim-0.11") == 1 and vim.iter(t):flatten(math.huge):totable()
+    or vim.tbl_flatten(t)
+end
+
+return M
diff --git a/scripts/gendocs.lua b/scripts/gendocs.lua
index c7fde5e6..abcca9ee 100644
--- a/scripts/gendocs.lua
+++ b/scripts/gendocs.lua
@@ -1,6 +1,7 @@
 -- TODO: A lot of this is private code from minidoc, which could be removed if made public
 
 local minidoc = require("mini.doc")
+local utils = require("neotest.utils")
 
 local H = {}
 --stylua: ignore start
@@ -107,7 +108,7 @@ H.default_input = function()
     table.insert(res, files)
   end
 
-  return vim.tbl_flatten(res)
+  return utils.tbl_flatten(res)
 end
 
 -- Parsing --------------------------------------------------------------------
@@ -297,7 +298,7 @@ H.toc_insert = function(s)
     toc_entry:clear_lines()
   end
 
-  for _, l in ipairs(vim.tbl_flatten(toc_lines)) do
+  for _, l in ipairs(utils.tbl_flatten(toc_lines)) do
     s:insert(l)
   end
 end
@@ -620,7 +621,7 @@ H.collect_strings = function(x)
     end
   end, x)
   -- Flatten to only have strings and not table of strings (from `vim.split`)
-  return vim.tbl_flatten(res)
+  return utils.tbl_flatten(res)
 end
 
 H.file_read = function(path)