diff --git a/browser_patches/checkout_build_archive_upload.sh b/browser_patches/checkout_build_archive_upload.sh
index 78f85dbcf1..bbf6263cab 100755
--- a/browser_patches/checkout_build_archive_upload.sh
+++ b/browser_patches/checkout_build_archive_upload.sh
@@ -285,6 +285,13 @@ elif [[ "$BUILD_FLAVOR" == "webkit-ubuntu-20.04" ]]; then
   EXPECTED_HOST_OS="Ubuntu"
   EXPECTED_HOST_OS_VERSION="20.04"
   BUILD_BLOB_NAME="webkit-ubuntu-20.04.zip"
+elif [[ "$BUILD_FLAVOR" == "webkit-ubuntu-20.04-arm64" ]]; then
+  BROWSER_NAME="webkit"
+  EXTRA_BUILD_ARGS="--full"
+  EXPECTED_HOST_OS="Ubuntu"
+  EXPECTED_HOST_OS_VERSION="20.04"
+  EXPECTED_ARCH="aarch64"
+  BUILD_BLOB_NAME="webkit-ubuntu-20.04-arm64.zip"
 elif [[ "$BUILD_FLAVOR" == "webkit-win64" ]]; then
   BROWSER_NAME="webkit"
   EXPECTED_HOST_OS="MINGW"
diff --git a/browser_patches/webkit/EXPECTED_BUILDS b/browser_patches/webkit/EXPECTED_BUILDS
index 946215777d..2c1effef59 100644
--- a/browser_patches/webkit/EXPECTED_BUILDS
+++ b/browser_patches/webkit/EXPECTED_BUILDS
@@ -1,5 +1,6 @@
 webkit-ubuntu-18.04.zip
 webkit-ubuntu-20.04.zip
+webkit-ubuntu-20.04-arm64.zip
 webkit-mac-10.15.zip
 webkit-mac-11-arm64.zip
 webkit-win64.zip