diff --git a/init.lua b/init.lua
index 59416c3..e2d9dc4 100644
--- a/init.lua
+++ b/init.lua
@@ -528,3 +528,4 @@ require('custom.harpoon')
 require('custom.mason')
 require('custom.bufferline')
 require('custom.kulala')
+require('custom.rainbow')
diff --git a/lua/custom/rainbow.lua b/lua/custom/rainbow.lua
new file mode 100644
index 0000000..ff9d91f
--- /dev/null
+++ b/lua/custom/rainbow.lua
@@ -0,0 +1,6 @@
+vim.api.nvim_create_autocmd({ "BufNewFile", "BufRead" }, {
+	pattern = "*.csv",
+	callback = function()
+		vim.bo.filetype = "csv_semicolon"
+	end
+})