diff --git a/bucket/qaac.json b/bucket/qaac.json
index d239a4a878..baf836f721 100644
--- a/bucket/qaac.json
+++ b/bucket/qaac.json
@@ -1,20 +1,21 @@
 {
-    "version": "2.80",
+    "version": "2.81",
     "description": "A command line AAC/ALAC encoder frontend based on Apple encoder.",
     "homepage": "https://sites.google.com/site/qaacpage/",
     "license": {
         "identifier": "Public Domain,...",
         "url": "https://github.com/nu774/qaac/blob/master/COPYING"
     },
-    "url": "https://github.com/nu774/qaac/releases/download/v2.80/qaac_2.80.zip",
-    "hash": "1a746d7d68fe8429c99ee172ac4e8640d11e80909be47567ae24b6ad99bddae9",
+    "url": "https://github.com/nu774/qaac/releases/download/2.81/qaac_2.81.zip",
+    "hash": "94de510c8b8dd47f752d53a976bd3ba8691fd6f821075e6fa170ce1f1bc8dc5e",
     "notes": [
         "To fix 'ERROR: CoreAudioToolbox.dll: The specified module could not be found.',",
         "See: https://hydrogenaud.io/index.php?topic=117089.0"
     ],
+    "pre_install": "Remove-Item \"$dir\\qaac_*\"",
     "architecture": {
         "64bit": {
-            "extract_dir": "qaac_2.80\\x64",
+            "extract_dir": "qaac_2.81\\x64",
             "bin": [
                 [
                     "qaac64.exe",
@@ -27,7 +28,7 @@
             ]
         },
         "32bit": {
-            "extract_dir": "qaac_2.80\\x86",
+            "extract_dir": "qaac_2.81\\x86",
             "bin": [
                 "qaac.exe",
                 "refalac.exe"
@@ -38,7 +39,7 @@
         "github": "https://github.com/nu774/qaac"
     },
     "autoupdate": {
-        "url": "https://github.com/nu774/qaac/releases/download/v$version/qaac_$version.zip",
+        "url": "https://github.com/nu774/qaac/releases/download/$version/qaac_$version.zip",
         "architecture": {
             "64bit": {
                 "extract_dir": "qaac_$version\\x64"