diff --git a/pkgs/development/lisp-modules/packages.nix b/pkgs/development/lisp-modules/packages.nix
index 480b304ca221..930ee786d7b2 100644
--- a/pkgs/development/lisp-modules/packages.nix
+++ b/pkgs/development/lisp-modules/packages.nix
@@ -913,6 +913,33 @@ let
     };
   });
 
+  coalton = build-asdf-system {
+    pname = "coalton";
+    version = "trunk";
+    src = pkgs.fetchFromGitHub {
+      owner = "coalton-lang";
+      repo = "coalton";
+      rev = "05111b8a59e3f7346b175ce1ec621bff588e1e1f";
+      hash = "sha256-L9o7Y3zDx9qLXGe/70c1LWEKUWsSRgBQru66mIuaCFw=";
+    };
+    lispLibs = with super; [
+      alexandria
+      eclector-concrete-syntax-tree
+      fiasco
+      float-features
+      self.fset
+      named-readtables
+      trivial-garbage
+    ];
+    nativeLibs = [ pkgs.mpfr ];
+    systems = [ "coalton" "coalton/tests" ];
+    meta = {
+      description = "statically typed functional programming language that supercharges Common Lisp";
+      homepage = "https://coalton-lang.github.io";
+      license = pkgs.lib.licenses.mit;
+    };
+  };
+
   });
 
 in packages