diff --git a/package-lock.json b/package-lock.json
index ce3eb4f..a083abf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,18 +1,20 @@
 {
   "name": "ezpplauncher-next",
-  "version": "2.1.2",
+  "version": "2.1.7",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "ezpplauncher-next",
-      "version": "2.1.2",
+      "version": "2.1.7",
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
         "@types/better-sqlite3": "^7.6.8",
         "axios": "^1.6.5",
         "better-sqlite3": "^9.2.2",
+        "bsdiff-bin": "^0.1.0",
+        "bsdiff-wasm": "^0.1.4",
         "crypto": "^1.0.1",
         "crypto-js": "^4.2.0",
         "custom-electron-titlebar": "^4.2.7",
@@ -2004,6 +2006,18 @@
         "node": "^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7"
       }
     },
+    "node_modules/bsdiff-bin": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/bsdiff-bin/-/bsdiff-bin-0.1.0.tgz",
+      "integrity": "sha512-hXGe3uXRgyl2BI1W8c4PdLlDHlPXlYaOaYtWjd5R5MJhF7tq5L4Ng3/qbNGJe7ZIG1htaasM+ziY1TkB1SgrwQ==",
+      "license": "BSD"
+    },
+    "node_modules/bsdiff-wasm": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/bsdiff-wasm/-/bsdiff-wasm-0.1.4.tgz",
+      "integrity": "sha512-IdD9jw9NLVrerD96nUThyoj+0HyfCbrIJPdCf6iTB7yIdc86jZugpatw20qeMyepY7UDdN5p64bhti1ruHBmSg==",
+      "license": "MIT"
+    },
     "node_modules/buffer": {
       "version": "5.7.1",
       "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
diff --git a/package.json b/package.json
index abbd099..d1ae490 100644
--- a/package.json
+++ b/package.json
@@ -40,6 +40,8 @@
     "@types/better-sqlite3": "^7.6.8",
     "axios": "^1.6.5",
     "better-sqlite3": "^9.2.2",
+    "bsdiff-bin": "^0.1.0",
+    "bsdiff-wasm": "^0.1.4",
     "crypto": "^1.0.1",
     "crypto-js": "^4.2.0",
     "custom-electron-titlebar": "^4.2.7",
diff --git a/test/patch.test.ts b/test/patch.test.ts
new file mode 100644
index 0000000..deadd58
--- /dev/null
+++ b/test/patch.test.ts
@@ -0,0 +1,7 @@
+const bs = require("bsdiff-bin")
+
+(async () => {
+    bs.patch('./osu!.exe', './osu!patched.exe', './osu!patch.diff', function(err){
+        if(err) console.log("failed")
+    });
+})();
diff --git a/working/bspatch.exe b/working/bspatch.exe
new file mode 100644
index 0000000..b65a699
Binary files /dev/null and b/working/bspatch.exe differ