diff --git a/pkgs/by-name/te/techmino/ccloader.nix b/pkgs/by-name/te/techmino/ccloader.nix
index 3fe632a93785..38a4b32c821a 100644
--- a/pkgs/by-name/te/techmino/ccloader.nix
+++ b/pkgs/by-name/te/techmino/ccloader.nix
@@ -13,7 +13,8 @@ stdenv.mkDerivation rec {
     owner = "26F-Studio";
     repo = "cold_clear_ai_love2d_wrapper";
     rev = version;
-    hash = "sha256-zfTSMWqjFrAKW5m+9q3K2Je8bbSyhC6pC/vPAWDGCNg=";
+    fetchSubmodules = true;
+    hash = "sha256-sguV+Dw+etZH43tXZYL46NAdsI/qvyvGWCPUiTEjhy4=";
   };
 
   buildInputs = [ libcoldclear luajit ];
diff --git a/pkgs/by-name/te/techmino/libcoldclear.nix b/pkgs/by-name/te/techmino/libcoldclear.nix
index 4160e0bdcb87..516f5c4dd9cd 100644
--- a/pkgs/by-name/te/techmino/libcoldclear.nix
+++ b/pkgs/by-name/te/techmino/libcoldclear.nix
@@ -1,6 +1,7 @@
 { lib
 , rustPlatform
 , fetchFromGitHub
+, ccloader
 }:
 
 let
@@ -17,12 +18,7 @@ rustPlatform.buildRustPackage {
   pname = "libcoldclear";
   version = "0.1.0";
 
-  src = fetchFromGitHub {
-    owner = "26F-Studio";
-    repo = "cold-clear";
-    rev = "1564ce9ad14aa60f32bf9a5120594933b3501548";
-    hash = "sha256-6fZpKHEJ0dsOTp755GLnxa/befCUJhjqA3Zna5UkKVo=";
-  };
+  src = "${ccloader.src}/cold-clear";
 
   # remove workspace cargo.toml so we don't load all of workspace's deps
   postPatch = ''
diff --git a/pkgs/by-name/te/techmino/package.nix b/pkgs/by-name/te/techmino/package.nix
index 8b49abd69340..638509cbe555 100644
--- a/pkgs/by-name/te/techmino/package.nix
+++ b/pkgs/by-name/te/techmino/package.nix
@@ -6,7 +6,9 @@
 , makeDesktopItem
 , love
 , luajit
-, libcoldclear ? callPackage ./libcoldclear.nix { }
+, writeShellScript
+, nix-update
+, libcoldclear ? callPackage ./libcoldclear.nix { inherit ccloader; }
 , ccloader ? callPackage ./ccloader.nix { inherit libcoldclear luajit; }
 }:
 
@@ -39,7 +41,6 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ makeWrapper ];
-  buildInputs = [ love ccloader ];
 
   dontUnpack = true;
 
@@ -62,6 +63,11 @@ stdenv.mkDerivation rec {
 
   passthru = {
     inherit ccloader libcoldclear;
+    updateScript = writeShellScript "update-script.sh" ''
+      if ${lib.getExe nix-update} techmino | grep "Packages updated"; then
+        ${lib.getExe nix-update} techmino.ccloader
+      fi
+    '';
   };
 
   meta = with lib; {