diff --git a/neovim/after/ftplugin/ada.lua b/neovim/after/ftplugin/ada.lua
new file mode 100644
index 0000000..e44e18d
--- /dev/null
+++ b/neovim/after/ftplugin/ada.lua
@@ -0,0 +1,9 @@
+vim.opt.smarttab = false
+
+vim.opt.tabstop = 4
+
+vim.opt.shiftwidth = 3
+
+vim.opt.expandtab = true
+
+vim.opt.softtabstop = 3