diff --git a/bucket/flac.json b/bucket/flac.json
index 4f8e518bc7..0ff2bc6bae 100644
--- a/bucket/flac.json
+++ b/bucket/flac.json
@@ -6,7 +6,7 @@
         "identifier": "BSD-3-Clause,GPL-3.0-or-later",
         "url": "https://xiph.org/flac/license.html"
     },
-    "url": "https://downloads.xiph.org/releases/flac/flac-1.3.2-win.zip",
+    "url": "https://ftp.osuosl.org/pub/xiph/releases/flac/flac-1.3.2-win.zip",
     "hash": "4cca0acfa829921ab647f48e83f4b40288f2018d7819f0b15230d3992c13c966",
     "architecture": {
         "64bit": {
@@ -21,13 +21,13 @@
         "metaflac.exe"
     ],
     "checkver": {
-        "re": "FLAC ([\\d.]+)",
-        "url": "https://xiph.org/flac/changelog.html"
+        "re": "/flac-([\\d.]+)-win\\.zip",
+        "url": "https://ftp.osuosl.org/pub/xiph/releases/flac/?C=M;O=D"
     },
     "autoupdate": {
-        "url": "https://downloads.xiph.org/releases/flac/flac-$version-win.zip",
+        "url": "https://ftp.osuosl.org/pub/xiph/releases/flac/flac-$version-win.zip",
         "hash": {
-            "url": "https://downloads.xiph.org/releases/flac/SHA256SUMS.txt"
+            "url": "$baseurl/SHA256SUMS.txt"
         },
         "architecture": {
             "64bit": {