diff --git a/config/rtx/config.toml b/config/mise/config.toml
similarity index 100%
rename from config/rtx/config.toml
rename to config/mise/config.toml
diff --git a/default-gems b/default-gems
index e990f61..3c99e41 100644
--- a/default-gems
+++ b/default-gems
@@ -1,3 +1,3 @@
-# Default Gems installed by rtx when installing new Ruby versions.
+# Default Gems installed by mise when installing new Ruby versions.
 foreman
 rubocop
diff --git a/default-go-packages b/default-go-packages
index 5f4c8a6..30a70cb 100644
--- a/default-go-packages
+++ b/default-go-packages
@@ -1,4 +1,4 @@
-# Default Go packages installed by rtx when installing new Go versions.
+# Default Go packages installed by mise when installing new Go versions.
 github.com/nametake/golangci-lint-langserver@latest
 golang.org/x/tools/cmd/goimports@latest
 golang.org/x/tools/gopls@latest
diff --git a/install.sh b/install.sh
index b326f44..9122509 100755
--- a/install.sh
+++ b/install.sh
@@ -15,7 +15,7 @@ SYMLINKS=(
   bitbar
   coffeelint.json
   config/kitty/kitty.conf
-  config/rtx/config.toml
+  config/mise/config.toml
   config/solargraph/config.yml
   config/starship.toml
   default-gems
diff --git a/zsh/kubernetes.zsh b/zsh/kubernetes.zsh
index 85e6553..81ee2fa 100644
--- a/zsh/kubernetes.zsh
+++ b/zsh/kubernetes.zsh
@@ -52,7 +52,7 @@ fi
 
 _setup-kubectx-completion() {
   local cmd="$1"
-  local dir="$HOME/.local/share/rtx/installs/kubectx/latest/completion"
+  local dir="$HOME/.local/share/mise/installs/kubectx/latest/completion"
   local target="$ZSH_COMPLETIONS/_${cmd}"
 
   if [ -f "$target" ] || [ ! -d "$dir" ]; then
@@ -74,10 +74,10 @@ _setup-kubectx-completion() {
   autoload -U compinit && compinit
 }
 
-if command-exists kubectx && ! which _kubectx &> /dev/null; then
+if command-exists kubectx; then
   _setup-kubectx-completion kubectx
 fi
 
-if command-exists kubens && ! which _kubens &> /dev/null; then
+if command-exists kubens; then
   _setup-kubectx-completion kubens
 fi
diff --git a/zshenv b/zshenv
index ad8b652..d253d9f 100644
--- a/zshenv
+++ b/zshenv
@@ -230,9 +230,9 @@ if command-exists sccache; then
   export RUSTC_WRAPPER=sccache
 fi
 
-# rtx setup
-path_prepend "$HOME/.local/share/rtx/bin"
-path_prepend "$HOME/.local/share/rtx/shims"
+# mise setup
+path_prepend "$HOME/.local/share/mise/bin"
+path_prepend "$HOME/.local/share/mise/shims"
 
 # orbstack setup
 source-if-exists "$HOME/.orbstack/shell/init.zsh"
diff --git a/zshrc b/zshrc
index 5c8c5b7..12e07e6 100644
--- a/zshrc
+++ b/zshrc
@@ -91,25 +91,31 @@ if command-exists direnv; then
   eval "$(direnv hook zsh)"
 fi
 
-RTX_HOME="$HOME/.local/share/rtx"
-RTX_INIT="$RTX_HOME/shell/init.zsh"
-export RTX_INSTALL_PATH="$RTX_HOME/bin/rtx"
+MISE_HOME="$HOME/.local/share/mise"
+MISE_INIT="$MISE_HOME/shell/init.zsh"
+MISE_COMPLETIONS_PATH="${ZSH_COMPLETIONS}/_mise"
+export MISE_INSTALL_PATH="$MISE_HOME/bin/mise"
 
-if ! command-exists rtx; then
-  read -q 'REPLY?rtx is not installed, install with `curl https://rtx.pub/install.sh | sh`? [y/N]:' &&
-    echo && curl https://rtx.pub/install.sh | sh
+if ! command-exists mise; then
+  read -q 'REPLY?mise is not installed, install with `curl https://mise.jdx.dev/install.sh | sh`? [y/N]:' &&
+    echo && curl https://mise.jdx.dev/install.sh | sh
 fi
 
-if [ -f "$HOME/.local/share/rtx/bin/rtx" ]; then
-  path_prepend "$RTX_HOME/bin"
-fi
+if command-exists mise; then
+  alias mi="mise"
 
-if command-exists rtx; then
-  if [ ! -f "$RTX_INIT" ] || [ "$RTX_INIT" -ot "$RTX_INSTALL_PATH" ]; then
-    mkdir -p "$(dirname "$RTX_INIT")"
-    rtx activate zsh > "$RTX_INIT"
+  if [ ! -f "$MISE_INIT" ] || [ "$MISE_INIT" -ot "$MISE_INSTALL_PATH" ]; then
+    mkdir -p "$(dirname "$MISE_INIT")"
+    mise activate zsh > "$MISE_INIT"
+  fi
+  source "$MISE_INIT"
+
+  if [ ! -f "$MISE_COMPLETIONS_PATH" ] || [ "$MISE_COMPLETIONS_PATH" -ot "$MISE_INSTALL_PATH" ]; then
+    echo "Setting up completion for mise -- $MISE_COMPLETIONS_PATH"
+    mkdir -p "$(dirname "$MISE_COMPLETIONS_PATH")"
+    mise completions zsh > "$MISE_COMPLETIONS_PATH"
+    chmod +x "$MISE_COMPLETIONS_PATH"
   fi
-  source "$RTX_INIT"
 fi
 
 # ==============================================================================
@@ -117,8 +123,8 @@ fi
 # ==============================================================================
 
 if ! command-exists starship; then
-  read -q 'REPLY?starship is not installed, install with `rtx install starship`? [y/N]:' &&
-    echo && rtx install starship
+  read -q 'REPLY?starship is not installed, install with `mise install starship`? [y/N]:' &&
+    echo && mise install starship
 fi
 
 if command-exists starship; then
@@ -131,7 +137,7 @@ if command-exists starship; then
   compctl -K _starship starship
 else
   echo "WARN: starship not found, skipping prompt setup" >&2
-  echo "      install with: rtx install starship" >&2
+  echo "      install with: mise install starship" >&2
 
 fi