diff --git a/.github/workflows/lualint.yml b/.github/workflows/lualint.yml
index 02b607e..704bb18 100644
--- a/.github/workflows/lualint.yml
+++ b/.github/workflows/lualint.yml
@@ -2,10 +2,13 @@
 name: Lint Lua files
 on: pull_request  # yamllint disable-line rule:truthy
 jobs:
-  Lint:
+  selene:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Luacheck linter
-        uses: lunarmodules/luacheck@v1
+      - uses: actions/checkout@v4
+      - name: Run selene
+        uses: NTBBloodbath/selene-action@v1.0.0
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          args: nvim/
+          version: 0.30.1
diff --git a/.luacheckrc b/.luacheckrc
deleted file mode 100644
index c8a3f4e..0000000
--- a/.luacheckrc
+++ /dev/null
@@ -1,3 +0,0 @@
-globals = {
-    "vim",
-}
diff --git a/fish/completions/copilot.fish b/fish/completions/copilot.fish
index 12f242b..33cad56 100644
--- a/fish/completions/copilot.fish
+++ b/fish/completions/copilot.fish
@@ -14,7 +14,7 @@ complete -c copilot -l interactive -s i -r -d 'Start interactive mode and automa
 complete -c copilot -l prompt -s p -r -d 'Execute a prompt in non-interactive mode (exits after completion)'
 complete -c copilot -l silent -s s -f -d 'Output only the agent response (no stats), useful for scripting with -p'
 complete -c copilot -l model -r -d 'Set the AI model to use'
-complete -c copilot -l effort -l reasoning-effort -r -d 'Set the reasoning effort level' -a 'none low medium high xhigh'
+complete -c copilot -l effort -l reasoning-effort -r -d 'Set the reasoning effort level' -a 'none low medium high xhigh max'
 complete -c copilot -l enable-reasoning-summaries -f -d 'Request reasoning summaries for OpenAI models'
 complete -c copilot -l agent -r -d 'Specify a custom agent to use'
 complete -c copilot -l resume -r -d 'Resume from a previous session (optionally specify session ID, task ID, or name; name matching is exact, case-insensitive)'
@@ -76,6 +76,7 @@ complete -c copilot -n '__fish_seen_subcommand_from plugin' -f -a 'uninstall' -d
 complete -c copilot -n '__fish_seen_subcommand_from plugin' -f -a 'update' -d 'Update a plugin'
 complete -c copilot -n '__fish_seen_subcommand_from plugin' -f -a 'list' -d 'List installed plugins'
 complete -c copilot -n '__fish_seen_subcommand_from plugin' -f -a 'marketplace' -d 'Manage plugin marketplaces'
+complete -c copilot -n '__fish_seen_subcommand_from plugin; and __fish_seen_subcommand_from update' -l all -f -d 'Update all installed plugins'
 complete -c copilot -n '__fish_seen_subcommand_from plugin; and __fish_seen_subcommand_from marketplace' -f -a 'add' -d 'Add a marketplace'
 complete -c copilot -n '__fish_seen_subcommand_from plugin; and __fish_seen_subcommand_from marketplace' -f -a 'remove' -d 'Remove a marketplace'
 complete -c copilot -n '__fish_seen_subcommand_from plugin; and __fish_seen_subcommand_from marketplace' -f -a 'list' -d 'List registered marketplaces'
diff --git a/gh/hosts.yml b/gh/hosts.yml
index 21f8178..33be033 100644
--- a/gh/hosts.yml
+++ b/gh/hosts.yml
@@ -2,3 +2,5 @@
 github.com:
     user: djensenius
     git_protocol: https
+    users:
+        djensenius:
diff --git a/mise/config.toml b/mise/config.toml
index 54be6dd..b0b804b 100644
--- a/mise/config.toml
+++ b/mise/config.toml
@@ -4,6 +4,7 @@
 go = 'latest'
 jq = 'latest'
 kubectl = 'latest'
+lua = 'latest'
 node = 'latest'
 npm = 'latest'
 pipx =  'latest'
diff --git a/nvim/init.lua b/nvim/init.lua
index 95749cc..438c043 100644
--- a/nvim/init.lua
+++ b/nvim/init.lua
@@ -1,4 +1,3 @@
--- luacheck: globals vim
 if vim.loader then
 	vim.loader.enable()
 end
diff --git a/nvim/lua/plugins/gitsigns.lua b/nvim/lua/plugins/gitsigns.lua
index 08c6f39..1343b3b 100644
--- a/nvim/lua/plugins/gitsigns.lua
+++ b/nvim/lua/plugins/gitsigns.lua
@@ -1,4 +1,3 @@
--- luacheck: ignore 211 212
 return {
 	"lewis6991/gitsigns.nvim",
 	event = { "BufReadPre", "BufNewFile" },
diff --git a/nvim/lua/plugins/mason.lua b/nvim/lua/plugins/mason.lua
index 3ca685b..91bdfa6 100644
--- a/nvim/lua/plugins/mason.lua
+++ b/nvim/lua/plugins/mason.lua
@@ -46,7 +46,7 @@ return {
 				"golangci-lint",
 				"isort",
 				"jsonlint",
-				"luacheck",
+				"selene",
 				"prettierd",
 				"prettier",
 				"shellcheck",
diff --git a/nvim/lua/plugins/nvim-lint.lua b/nvim/lua/plugins/nvim-lint.lua
index 4848b5e..6424d5c 100644
--- a/nvim/lua/plugins/nvim-lint.lua
+++ b/nvim/lua/plugins/nvim-lint.lua
@@ -13,7 +13,7 @@ return {
 			javascript = { "eslint_d" },
 			javascriptreact = { "eslint_d" },
 			jsonlint = { "jsonlint" },
-			lua = { "luacheck" },
+			lua = { "selene" },
 			ruby = { "rubocop" },
 			svelte = { "eslint_d" },
 			typescript = { "eslint_d" },
diff --git a/selene.toml b/selene.toml
new file mode 100644
index 0000000..bafa34c
--- /dev/null
+++ b/selene.toml
@@ -0,0 +1,5 @@
+std = "vim"
+
+[rules]
+mixed_table = "allow"
+incorrect_standard_library_use = "allow"
diff --git a/tmux/tmux.conf b/tmux/tmux.conf
index cb90a0f..5b8339e 100644
--- a/tmux/tmux.conf
+++ b/tmux/tmux.conf
@@ -49,6 +49,7 @@ set -ag status-right "#{E:@catppuccin_status_battery}"
 
 
 # ================== Plugins =======================
+set-environment -g TMUX_PLUGIN_MANAGER_PATH "$HOME/.config/tmux/plugins"
 set -g @plugin 'tmux-plugins/tpm'
 set -g @plugin 'tmux-plugins/tmux-sensible'
 set -g @plugin 'tmux-plugins/tmux-pain-control'
diff --git a/vim.yml b/vim.yml
new file mode 100644
index 0000000..5e1c9d8
--- /dev/null
+++ b/vim.yml
@@ -0,0 +1,8 @@
+---
+base: lua51
+globals:
+  vim:
+    any: true
+  package.config:
+    type: string
+    property: read-only