diff --git a/home/programs/default.nix b/home/programs/default.nix
index 242d472..ca168bf 100644
--- a/home/programs/default.nix
+++ b/home/programs/default.nix
@@ -7,6 +7,7 @@
     ./element
     ./git
     ./ktouch
+    ./lean4
     ./libreoffice
     ./maestral
     ./neovim
diff --git a/home/programs/lean4/default.nix b/home/programs/lean4/default.nix
new file mode 100644
index 0000000..b1a0ad4
--- /dev/null
+++ b/home/programs/lean4/default.nix
@@ -0,0 +1,5 @@
+{ pkgs, ... }:
+
+{
+  home.packages = with pkgs; [ lean ];
+}