diff --git a/lua/core/keymaps.lua b/lua/core/keymaps.lua
index fff3ec1..e27d896 100644
--- a/lua/core/keymaps.lua
+++ b/lua/core/keymaps.lua
@@ -21,3 +21,10 @@ vim.g.maplocalleader = ' '
 
 -- toggle tagbar plugin
 vim.keymap.set('n', '<F8>', ':TagbarToggle fj<CR>')
+
+-- tab navigation using <TAB>
+vim.keymap.set('n', '<Tab>', ':tabnext<CR>')
+vim.keymap.set('n', '<S-Tab>', ':tabprevious<CR>')
+
+-- jump to definition in new tab
+vim.keymap.set('n', '<C-]>', '<cmd>tab split | lua vim.lsp.buf.definition()<CR>', {})