diff --git a/browser_patches/chromium/BUILD_NUMBER b/browser_patches/chromium/BUILD_NUMBER
index fc076b6c45..83b33d238d 100644
--- a/browser_patches/chromium/BUILD_NUMBER
+++ b/browser_patches/chromium/BUILD_NUMBER
@@ -1 +1 @@
-799610
+1000
diff --git a/browser_patches/chromium/UPSTREAM_CONFIG.sh b/browser_patches/chromium/UPSTREAM_CONFIG.sh
new file mode 100644
index 0000000000..3aff46e47c
--- /dev/null
+++ b/browser_patches/chromium/UPSTREAM_CONFIG.sh
@@ -0,0 +1 @@
+UPSTREAM_CHROMIUM_REVISION=792639
diff --git a/browser_patches/chromium/build.sh b/browser_patches/chromium/build.sh
index 521e2d8ab5..955b37ff2a 100755
--- a/browser_patches/chromium/build.sh
+++ b/browser_patches/chromium/build.sh
@@ -5,10 +5,11 @@ set +x
 trap "cd $(pwd -P)" EXIT
 cd "$(dirname $0)"
 
+source "./UPSTREAM_CONFIG.sh"
+
 mkdir -p output
 cd output
 
-BUILD_NUMBER=$(head -1 ../BUILD_NUMBER)
 FOLDER_NAME=""
 ZIP_NAME=""
 FILES_TO_REMOVE=()
@@ -32,7 +33,7 @@ else
   exit 1
 fi
 
-URL="https://storage.googleapis.com/chromium-browser-snapshots/${FOLDER_NAME}/${BUILD_NUMBER}/${ZIP_NAME}"
+URL="https://storage.googleapis.com/chromium-browser-snapshots/${FOLDER_NAME}/${UPSTREAM_CHROMIUM_REVISION}/${ZIP_NAME}"
 curl --output upstream.zip "${URL}"
 
 unzip upstream.zip