diff --git a/browser_patches/checkout_build_archive_upload.sh b/browser_patches/checkout_build_archive_upload.sh
index 858fe78bab..60adb99a3d 100755
--- a/browser_patches/checkout_build_archive_upload.sh
+++ b/browser_patches/checkout_build_archive_upload.sh
@@ -218,13 +218,13 @@ elif [[ "$BUILD_FLAVOR" == "firefox-mac-10.14" ]]; then
   EXPECTED_HOST_OS="Darwin"
   EXPECTED_HOST_OS_VERSION="10.14"
   BUILD_BLOB_NAME="firefox-mac-10.14.zip"
-elif [[ "$BUILD_FLAVOR" == "firefox-mac-11.0-arm64" ]]; then
+elif [[ "$BUILD_FLAVOR" == "firefox-mac-11-arm64" ]]; then
   BROWSER_NAME="firefox"
   EXTRA_BUILD_ARGS="--full"
   EXPECTED_HOST_OS="Darwin"
-  EXPECTED_HOST_OS_VERSION="11.0"
+  EXPECTED_HOST_OS_VERSION="11.6"
   EXPECTED_ARCH="arm64"
-  BUILD_BLOB_NAME="firefox-mac-11.0-arm64.zip"
+  BUILD_BLOB_NAME="firefox-mac-11-arm64.zip"
 elif [[ "$BUILD_FLAVOR" == "firefox-win32" ]]; then
   BROWSER_NAME="firefox"
   EXTRA_BUILD_ARGS="--full"
@@ -258,13 +258,13 @@ elif [[ "$BUILD_FLAVOR" == "firefox-beta-mac-10.14" ]]; then
   EXPECTED_HOST_OS="Darwin"
   EXPECTED_HOST_OS_VERSION="10.14"
   BUILD_BLOB_NAME="firefox-beta-mac-10.14.zip"
-elif [[ "$BUILD_FLAVOR" == "firefox-beta-mac-11.0-arm64" ]]; then
+elif [[ "$BUILD_FLAVOR" == "firefox-beta-mac-11-arm64" ]]; then
   BROWSER_NAME="firefox-beta"
   EXTRA_BUILD_ARGS="--full"
   EXPECTED_HOST_OS="Darwin"
-  EXPECTED_HOST_OS_VERSION="11.0"
+  EXPECTED_HOST_OS_VERSION="11.6"
   EXPECTED_ARCH="arm64"
-  BUILD_BLOB_NAME="firefox-beta-mac-11.0-arm64.zip"
+  BUILD_BLOB_NAME="firefox-beta-mac-11-arm64.zip"
 elif [[ "$BUILD_FLAVOR" == "firefox-beta-win32" ]]; then
   BROWSER_NAME="firefox-beta"
   EXTRA_BUILD_ARGS="--full"
@@ -300,12 +300,12 @@ elif [[ "$BUILD_FLAVOR" == "webkit-mac-10.15" ]]; then
   EXPECTED_HOST_OS="Darwin"
   EXPECTED_HOST_OS_VERSION="10.15"
   BUILD_BLOB_NAME="webkit-mac-10.15.zip"
-elif [[ "$BUILD_FLAVOR" == "webkit-mac-11.0-arm64" ]]; then
+elif [[ "$BUILD_FLAVOR" == "webkit-mac-11-arm64" ]]; then
   BROWSER_NAME="webkit"
   EXPECTED_HOST_OS="Darwin"
-  EXPECTED_HOST_OS_VERSION="11.0"
+  EXPECTED_HOST_OS_VERSION="11.6"
   EXPECTED_ARCH="arm64"
-  BUILD_BLOB_NAME="webkit-mac-11.0-arm64.zip"
+  BUILD_BLOB_NAME="webkit-mac-11-arm64.zip"
 
 
 # ===========================
diff --git a/browser_patches/firefox-beta/EXPECTED_BUILDS b/browser_patches/firefox-beta/EXPECTED_BUILDS
index 2c20c9bbc9..ba09ca278a 100644
--- a/browser_patches/firefox-beta/EXPECTED_BUILDS
+++ b/browser_patches/firefox-beta/EXPECTED_BUILDS
@@ -1,5 +1,5 @@
 firefox-beta-mac-10.14.zip
-firefox-beta-mac-11.0-arm64.zip
+firefox-beta-mac-11-arm64.zip
 firefox-beta-ubuntu-18.04.zip
 firefox-beta-ubuntu-20.04.zip
 firefox-beta-win32.zip
diff --git a/browser_patches/firefox/EXPECTED_BUILDS b/browser_patches/firefox/EXPECTED_BUILDS
index e3226d202f..c85aecf03d 100644
--- a/browser_patches/firefox/EXPECTED_BUILDS
+++ b/browser_patches/firefox/EXPECTED_BUILDS
@@ -1,5 +1,5 @@
 firefox-mac-10.14.zip
-firefox-mac-11.0-arm64.zip
+firefox-mac-11-arm64.zip
 firefox-ubuntu-18.04.zip
 firefox-ubuntu-20.04.zip
 firefox-win32.zip
diff --git a/browser_patches/webkit/EXPECTED_BUILDS b/browser_patches/webkit/EXPECTED_BUILDS
index 1a546dd483..946215777d 100644
--- a/browser_patches/webkit/EXPECTED_BUILDS
+++ b/browser_patches/webkit/EXPECTED_BUILDS
@@ -1,6 +1,6 @@
 webkit-ubuntu-18.04.zip
 webkit-ubuntu-20.04.zip
 webkit-mac-10.15.zip
-webkit-mac-11.0-arm64.zip
+webkit-mac-11-arm64.zip
 webkit-win64.zip
 
diff --git a/src/utils/registry.ts b/src/utils/registry.ts
index 9323533249..19d34e70f8 100644
--- a/src/utils/registry.ts
+++ b/src/utils/registry.ts
@@ -105,7 +105,7 @@ const DOWNLOAD_URLS = {
     'mac10.14': '%s/builds/firefox/%s/firefox-mac-10.14.zip',
     'mac10.15': '%s/builds/firefox/%s/firefox-mac-10.14.zip',
     'mac11': '%s/builds/firefox/%s/firefox-mac-10.14.zip',
-    'mac11-arm64': '%s/builds/firefox/%s/firefox-mac-11.0-arm64.zip',
+    'mac11-arm64': '%s/builds/firefox/%s/firefox-mac-11-arm64.zip',
     'win32': '%s/builds/firefox/%s/firefox-win32.zip',
     'win64': '%s/builds/firefox/%s/firefox-win64.zip',
   },
@@ -116,7 +116,7 @@ const DOWNLOAD_URLS = {
     'mac10.14': '%s/builds/firefox-beta/%s/firefox-beta-mac-10.14.zip',
     'mac10.15': '%s/builds/firefox-beta/%s/firefox-beta-mac-10.14.zip',
     'mac11': '%s/builds/firefox-beta/%s/firefox-beta-mac-10.14.zip',
-    'mac11-arm64': '%s/builds/firefox-beta/%s/firefox-beta-mac-11.0-arm64.zip',
+    'mac11-arm64': '%s/builds/firefox-beta/%s/firefox-beta-mac-11-arm64.zip',
     'win32': '%s/builds/firefox-beta/%s/firefox-beta-win32.zip',
     'win64': '%s/builds/firefox-beta/%s/firefox-beta-win64.zip',
   },
@@ -127,7 +127,7 @@ const DOWNLOAD_URLS = {
     'mac10.14': '%s/builds/deprecated-webkit-mac-10.14/%s/deprecated-webkit-mac-10.14.zip',
     'mac10.15': '%s/builds/webkit/%s/webkit-mac-10.15.zip',
     'mac11': '%s/builds/webkit/%s/webkit-mac-10.15.zip',
-    'mac11-arm64': '%s/builds/webkit/%s/webkit-mac-11.0-arm64.zip',
+    'mac11-arm64': '%s/builds/webkit/%s/webkit-mac-11-arm64.zip',
     'win32': '%s/builds/webkit/%s/webkit-win64.zip',
     'win64': '%s/builds/webkit/%s/webkit-win64.zip',
   },