diff --git a/pkgs/development/libraries/mustache-tcl/default.nix b/pkgs/development/libraries/mustache-tcl/default.nix
new file mode 100644
index 00000000000..063c8ea36f7
--- /dev/null
+++ b/pkgs/development/libraries/mustache-tcl/default.nix
@@ -0,0 +1,32 @@
+{ lib, fetchFromGitHub, tcl, tcllib }:
+
+tcl.mkTclDerivation rec {
+  pname = "mustache-tcl";
+  version = "1.1.3.4";
+
+  src = fetchFromGitHub {
+    owner = "ianka";
+    repo = "mustache.tcl";
+    rev = "v${version}";
+    sha256 = "sha256-apM57LEZ0Y9hXcEPWrKYOoTVtP5QSqiaQrjTHQc3pc4=";
+  };
+
+  buildInputs = [
+    tcllib
+  ];
+
+  unpackPhase = ''
+    mkdir -p $out/lib/mustache-tcl
+    cp $src/mustache.tcl $out/lib/mustache-tcl/mustache.tcl
+    cp $src/pkgIndex.tcl $out/lib/mustache-tcl/pkgIndex.tcl
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/ianka/mustache.tcl";
+    description = "Tcl implementation of the mustache templating language";
+    license = licenses.bsd2;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ nat-418 ];
+  };
+}
+
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 4b52924cb15..f1dd4f86538 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -28350,6 +28350,8 @@ with pkgs;
 
   mustache-spec = callPackage ../data/documentation/mustache-spec { };
 
+  mustache-tcl = callPackage ../development/libraries/mustache-tcl { };
+
   mustache-go = callPackage ../development/tools/mustache-go { };
 
   mustache-hpp = callPackage ../development/libraries/mustache-hpp { };