diff --git a/addons/addon-image/src/IIPHandler.ts b/addons/addon-image/src/IIPHandler.ts
index ae62100d..bebfee11 100644
--- a/addons/addon-image/src/IIPHandler.ts
+++ b/addons/addon-image/src/IIPHandler.ts
@@ -105,7 +105,7 @@ export class IIPHandler implements IOscHandler, IResetHandler {
       return true;
     }
 
-    const blob = new Blob([this._dec.data8], { type: this._metrics.mime });
+    const blob = new Blob([new Uint8Array(this._dec.data8)], { type: this._metrics.mime });
     this._dec.release();
 
     if (!window.createImageBitmap) {
diff --git a/addons/addon-image/src/SixelHandler.ts b/addons/addon-image/src/SixelHandler.ts
index 00a36a4a..07d90341 100644
--- a/addons/addon-image/src/SixelHandler.ts
+++ b/addons/addon-image/src/SixelHandler.ts
@@ -99,7 +99,7 @@ export class SixelHandler implements IDcsHandler, IResetHandler {
     }
 
     const canvas = ImageRenderer.createCanvas(undefined, width, height);
-    canvas.getContext('2d')?.putImageData(new ImageData(this._dec.data8, width, height), 0, 0);
+    canvas.getContext('2d')?.putImageData(new ImageData(this._dec.data8 as Uint8ClampedArray<ArrayBuffer>, width, height), 0, 0);
     if (this._dec.memoryUsage > MEM_PERMA_LIMIT) {
       this._dec.release();
     }
diff --git a/package-lock.json b/package-lock.json
index acd2ec51..abb07d2d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -45,7 +45,7 @@
         "source-map-loader": "^3.0.0",
         "source-map-support": "^0.5.20",
         "ts-loader": "^9.3.1",
-        "typescript": "5.5",
+        "typescript": "^5.9.3",
         "typescript-eslint": "^8.50.1",
         "utf8": "^3.0.0",
         "webpack": "^5.61.0",
@@ -7805,10 +7805,11 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.5.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
-      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
+      "version": "5.9.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
+      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
+      "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
diff --git a/package.json b/package.json
index 9d47f6f0..afaafbb2 100644
--- a/package.json
+++ b/package.json
@@ -100,7 +100,7 @@
     "source-map-loader": "^3.0.0",
     "source-map-support": "^0.5.20",
     "ts-loader": "^9.3.1",
-    "typescript": "5.5",
+    "typescript": "^5.9.3",
     "typescript-eslint": "^8.50.1",
     "utf8": "^3.0.0",
     "webpack": "^5.61.0",