diff --git a/modules/misc/news.nix b/modules/misc/news.nix
index ed6d1546bb13..7baeebc67254 100644
--- a/modules/misc/news.nix
+++ b/modules/misc/news.nix
@@ -1383,6 +1383,13 @@ in {
           A new module is available: 'xdg.portal'.
         '';
       }
+
+      {
+        time = "2024-01-16T15:43:51+00:00";
+        message = ''
+          'programs.rtx' was renamed to 'programs.mise'
+        '';
+      }
     ];
   };
 }
diff --git a/modules/modules.nix b/modules/modules.nix
index 314dfdb8d824..d557dc1b3ce2 100644
--- a/modules/modules.nix
+++ b/modules/modules.nix
@@ -147,6 +147,7 @@ let
     ./programs/mcfly.nix
     ./programs/mercurial.nix
     ./programs/micro.nix
+    ./programs/mise.nix
     ./programs/mpv.nix
     ./programs/mr.nix
     ./programs/msmtp.nix
@@ -194,7 +195,6 @@ let
     ./programs/rofi-pass.nix
     ./programs/rofi.nix
     ./programs/rtorrent.nix
-    ./programs/rtx.nix
     ./programs/ruff.nix
     ./programs/sagemath.nix
     ./programs/sapling.nix
diff --git a/modules/programs/rtx.nix b/modules/programs/mise.nix
similarity index 69%
rename from modules/programs/rtx.nix
rename to modules/programs/mise.nix
index 5fa9b5631b90..545b113ff421 100644
--- a/modules/programs/rtx.nix
+++ b/modules/programs/mise.nix
@@ -3,16 +3,16 @@
 with lib;
 
 let
-  cfg = config.programs.rtx;
+  cfg = config.programs.mise;
   tomlFormat = pkgs.formats.toml { };
 in {
   meta.maintainers = [ hm.maintainers.pedorich-n ];
 
   options = {
-    programs.rtx = {
-      enable = mkEnableOption "RTX. Runtime Executor (asdf Rust clone)";
+    programs.mise = {
+      enable = mkEnableOption "mise. Runtime Executor (asdf Rust clone)";
 
-      package = mkPackageOption pkgs "rtx" { };
+      package = mkPackageOption pkgs "mise" { };
 
       enableBashIntegration = mkEnableOption "Bash Integration" // {
         default = true;
@@ -41,14 +41,14 @@ in {
           };
         '';
         description = ''
-          Settings written to {file}`$XDG_CONFIG_HOME/rtx/config.toml`.
+          Settings written to {file}`$XDG_CONFIG_HOME/mise/config.toml`.
 
-          See <https://github.com/jdxcode/rtx#global-config-configrtxconfigtoml>
+          See <https://mise.jdx.dev/configuration.html#global-config-config-mise-config-toml>
           for details on supported values.
 
           ::: {.warning}
-          Modifying the `tools` section doesn't make RTX install them.
-          You have to manually run `rtx install` to install the tools.
+          Modifying the `tools` section doesn't make mise install them.
+          You have to manually run `mise install` to install the tools.
           :::
         '';
       };
@@ -58,8 +58,8 @@ in {
   config = mkIf cfg.enable {
     home.packages = [ cfg.package ];
 
-    xdg.configFile."rtx/config.toml" = mkIf (cfg.settings != { }) {
-      source = tomlFormat.generate "rtx-settings" cfg.settings;
+    xdg.configFile."mise/config.toml" = mkIf (cfg.settings != { }) {
+      source = tomlFormat.generate "mise-settings" cfg.settings;
     };
 
     programs = {
diff --git a/tests/default.nix b/tests/default.nix
index 8b5bdfde1de9..24a287fa97fd 100644
--- a/tests/default.nix
+++ b/tests/default.nix
@@ -96,6 +96,7 @@ in import pkgs.nix-lib-nmt {
     ./modules/programs/man
     ./modules/programs/mbsync
     ./modules/programs/micro
+    ./modules/programs/mise
     ./modules/programs/mpv
     ./modules/programs/mu
     ./modules/programs/mujmap
@@ -123,7 +124,6 @@ in import pkgs.nix-lib-nmt {
     ./modules/programs/readline
     ./modules/programs/rio
     ./modules/programs/ripgrep
-    ./modules/programs/rtx
     ./modules/programs/ruff
     ./modules/programs/sagemath
     ./modules/programs/sapling
diff --git a/tests/modules/programs/mise/bash-integration.nix b/tests/modules/programs/mise/bash-integration.nix
new file mode 100644
index 000000000000..552db2ffad1d
--- /dev/null
+++ b/tests/modules/programs/mise/bash-integration.nix
@@ -0,0 +1,16 @@
+{ config, ... }: {
+  programs = {
+    mise = {
+      package = config.lib.test.mkStubPackage { name = "mise"; };
+      enable = true;
+      enableBashIntegration = true;
+    };
+
+    bash.enable = true;
+  };
+
+  nmt.script = ''
+    assertFileRegex home-files/.bashrc 'eval "$(/nix/store/.*mise.*/bin/mise activate bash)"'
+  '';
+}
+
diff --git a/tests/modules/programs/rtx/custom-settings.nix b/tests/modules/programs/mise/custom-settings.nix
similarity index 66%
rename from tests/modules/programs/rtx/custom-settings.nix
rename to tests/modules/programs/mise/custom-settings.nix
index 74c52f94390c..e29ed9aa0394 100644
--- a/tests/modules/programs/rtx/custom-settings.nix
+++ b/tests/modules/programs/mise/custom-settings.nix
@@ -1,7 +1,7 @@
 { config, pkgs, ... }: {
   programs = {
-    rtx = {
-      package = config.lib.test.mkStubPackage { name = "rtx"; };
+    mise = {
+      package = config.lib.test.mkStubPackage { name = "mise"; };
       enable = true;
       settings = {
         tools = {
@@ -18,10 +18,10 @@
   };
 
   nmt.script = ''
-    assertFileExists home-files/.config/rtx/config.toml
+    assertFileExists home-files/.config/mise/config.toml
 
-    assertFileContent home-files/.config/rtx/config.toml ${
-      pkgs.writeText "rtx.expected" ''
+    assertFileContent home-files/.config/mise/config.toml ${
+      pkgs.writeText "mise.expected" ''
         [settings]
         experimental = false
         verbose = false
diff --git a/tests/modules/programs/mise/default-settings.nix b/tests/modules/programs/mise/default-settings.nix
new file mode 100644
index 000000000000..96d480bee62f
--- /dev/null
+++ b/tests/modules/programs/mise/default-settings.nix
@@ -0,0 +1,12 @@
+{ config, ... }: {
+  config = {
+    programs.mise = {
+      package = config.lib.test.mkStubPackage { name = "mise"; };
+      enable = true;
+    };
+
+    nmt.script = ''
+      assertPathNotExists home-files/.config/mise/config.toml
+    '';
+  };
+}
diff --git a/tests/modules/programs/mise/default.nix b/tests/modules/programs/mise/default.nix
new file mode 100644
index 000000000000..511082a12830
--- /dev/null
+++ b/tests/modules/programs/mise/default.nix
@@ -0,0 +1,7 @@
+{
+  mise-default-settings = ./default-settings.nix;
+  mise-custom-settings = ./custom-settings.nix;
+  mise-bash-integration = ./bash-integration.nix;
+  mise-zsh-integration = ./zsh-integration.nix;
+  mise-fish-integration = ./fish-integration.nix;
+}
diff --git a/tests/modules/programs/rtx/fish-integration.nix b/tests/modules/programs/mise/fish-integration.nix
similarity index 63%
rename from tests/modules/programs/rtx/fish-integration.nix
rename to tests/modules/programs/mise/fish-integration.nix
index edc752bd25ca..cb589193116a 100644
--- a/tests/modules/programs/rtx/fish-integration.nix
+++ b/tests/modules/programs/mise/fish-integration.nix
@@ -1,7 +1,7 @@
 { config, ... }: {
   programs = {
-    rtx = {
-      package = config.lib.test.mkStubPackage { name = "rtx"; };
+    mise = {
+      package = config.lib.test.mkStubPackage { name = "mise"; };
       enable = true;
       enableFishIntegration = true;
     };
@@ -10,7 +10,7 @@
   };
 
   nmt.script = ''
-    assertFileRegex home-files/.config/fish/config.fish '/nix/store/.*rtx.*/bin/rtx activate fish | source'
+    assertFileRegex home-files/.config/fish/config.fish '/nix/store/.*mise.*/bin/mise activate fish | source'
   '';
 }
 
diff --git a/tests/modules/programs/mise/zsh-integration.nix b/tests/modules/programs/mise/zsh-integration.nix
new file mode 100644
index 000000000000..d9b2cdd90305
--- /dev/null
+++ b/tests/modules/programs/mise/zsh-integration.nix
@@ -0,0 +1,16 @@
+{ config, ... }: {
+  programs = {
+    mise = {
+      package = config.lib.test.mkStubPackage { name = "mise"; };
+      enable = true;
+      enableZshIntegration = true;
+    };
+
+    zsh.enable = true;
+  };
+
+  nmt.script = ''
+    assertFileRegex home-files/.zshrc 'eval "$(/nix/store/.*mise.*/bin/mise activate zsh)"'
+  '';
+}
+
diff --git a/tests/modules/programs/rtx/bash-integration.nix b/tests/modules/programs/rtx/bash-integration.nix
deleted file mode 100644
index 3c05c25cb50a..000000000000
--- a/tests/modules/programs/rtx/bash-integration.nix
+++ /dev/null
@@ -1,16 +0,0 @@
-{ config, ... }: {
-  programs = {
-    rtx = {
-      package = config.lib.test.mkStubPackage { name = "rtx"; };
-      enable = true;
-      enableBashIntegration = true;
-    };
-
-    bash.enable = true;
-  };
-
-  nmt.script = ''
-    assertFileRegex home-files/.bashrc 'eval "$(/nix/store/.*rtx.*/bin/rtx activate bash)"'
-  '';
-}
-
diff --git a/tests/modules/programs/rtx/default-settings.nix b/tests/modules/programs/rtx/default-settings.nix
deleted file mode 100644
index c1a0e7ae5e68..000000000000
--- a/tests/modules/programs/rtx/default-settings.nix
+++ /dev/null
@@ -1,12 +0,0 @@
-{ config, ... }: {
-  config = {
-    programs.rtx = {
-      package = config.lib.test.mkStubPackage { name = "rtx"; };
-      enable = true;
-    };
-
-    nmt.script = ''
-      assertPathNotExists home-files/.config/rtx/config.toml
-    '';
-  };
-}
diff --git a/tests/modules/programs/rtx/default.nix b/tests/modules/programs/rtx/default.nix
deleted file mode 100644
index 250b5ec6fdf4..000000000000
--- a/tests/modules/programs/rtx/default.nix
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  rtx-default-settings = ./default-settings.nix;
-  rtx-custom-settings = ./custom-settings.nix;
-  rtx-bash-integration = ./bash-integration.nix;
-  rtx-zsh-integration = ./zsh-integration.nix;
-  rtx-fish-integration = ./fish-integration.nix;
-}
diff --git a/tests/modules/programs/rtx/zsh-integration.nix b/tests/modules/programs/rtx/zsh-integration.nix
deleted file mode 100644
index fcff308d0555..000000000000
--- a/tests/modules/programs/rtx/zsh-integration.nix
+++ /dev/null
@@ -1,16 +0,0 @@
-{ config, ... }: {
-  programs = {
-    rtx = {
-      package = config.lib.test.mkStubPackage { name = "rtx"; };
-      enable = true;
-      enableZshIntegration = true;
-    };
-
-    zsh.enable = true;
-  };
-
-  nmt.script = ''
-    assertFileRegex home-files/.zshrc 'eval "$(/nix/store/.*rtx.*/bin/rtx activate zsh)"'
-  '';
-}
-