diff --git a/tools/configure_framework_commit.sh b/tools/configure_framework_commit.sh
index 590f9469748486714850ff42e21408752cbcf6d2..2736dce39047294c6d13623af950f4e146793866 100755
--- a/tools/configure_framework_commit.sh
+++ b/tools/configure_framework_commit.sh
@@ -31,5 +31,8 @@ COMMIT_NO=`git log --before="$LATEST_COMMIT_TIME_ENGINE" -n 1 | grep commit | cu
 echo "Using the flutter/flutter commit $COMMIT_NO";
 git reset --hard $COMMIT_NO
 
+# Write the commit number to a file. This file will be read by the LUCI recipe.
+echo "$COMMIT_NO" >> flutter_ref.txt
+
 # Print out the flutter version for troubleshooting
-$FLUTTER_CLONE_REPO_PATH/bin/flutter --version
+$FLUTTER_CLONE_REPO_PATH/bin/flutter --version -v