diff --git a/pkgs/applications/emulators/collapseos-cvm/default.nix b/pkgs/applications/emulators/collapseos-cvm/default.nix
new file mode 100644
index 000000000000..798d58467af6
--- /dev/null
+++ b/pkgs/applications/emulators/collapseos-cvm/default.nix
@@ -0,0 +1,30 @@
+{ lib, stdenv, fetchurl, ncurses }:
+
+stdenv.mkDerivation rec {
+  pname = "collapseos-cvm";
+  version = "20220316";
+  src = fetchurl {
+    url = "http://collapseos.org/files/collapseos-${version}.tar.gz";
+    hash = "sha256-8bt6wj93T82K9fqtuC/mctkMCzfvW0taxv6QAKeJb5g=";
+  };
+  buildInputs = [ ncurses ];
+  sourceRoot = "cvm";
+  postPatch = ''
+    substituteInPlace common.mk \
+      --replace "-lcurses" "-lncurses"
+  '';
+  installPhase = ''
+    runHook preInstall;
+    find . -type f -executable -exec install -Dt $out/bin {} \;
+    runHook postInstall;
+  '';
+  meta = {
+    description = "Virtual machine for Collapse OS (Forth operating system)";
+    changelog = "http://collapseos.org/files/CHANGES.txt";
+    downloadPage = "http://collapseos.org/files/";
+    homepage = "http://collapseos.org/";
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ ehmry ];
+    mainProgram = "cos-serial";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ca05863803df..e21b7f5acd39 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -33155,6 +33155,8 @@ with pkgs;
 
   clpeak = callPackage ../tools/misc/clpeak { };
 
+  collapseos-cvm = callPackage ../applications/emulators/collapseos-cvm { };
+
   cups = callPackage ../misc/cups { };
 
   cups-filters = callPackage ../misc/cups/filters.nix { };