diff --git a/ci/ci-lib.sh b/ci/ci-lib.sh
index e23c867609..fab73d35ff 100644
--- a/ci/ci-lib.sh
+++ b/ci/ci-lib.sh
@@ -26,10 +26,25 @@ function tag {
   return 0
 }
 
-function upload {
-  BUCKET="readonlyrest-data"
+function upload_to_ror_data_bucket {
   LOCAL_FILE="$1"
   S3_PATH="$2"
+  
+  BUCKET="readonlyrest-data"
   # shellcheck disable=SC2154
   "$CI_DIR"/s3-uploader.sh "$aws_access_key_id" "$aws_secret_access_key" "$BUCKET@eu-west-1" "$LOCAL_FILE" "$S3_PATH"
 }
+
+function upload_to_ror_data_xdelta_bucket {
+  LOCAL_FILE="$1"
+  S3_PATH=$(echo "$2" | sed 's:/*$::')
+  FILE_NAME=$(basename $LOCAL_FILE)
+
+  BUCKET="readonlyrest-data-xdelta"
+  DELTA_GLIDER_VERSION="main-012662c"
+
+  docker run --rm -e AWS_ACCESS_KEY_ID=$aws_access_key_id -e AWS_SECRET_ACCESS_KEY=$aws_secret_access_key \
+    -v $LOCAL_FILE:/tmp/$FILE_NAME:ro \
+    beshultd/deltaglider:$DELTA_GLIDER_VERSION \
+    cp /tmp/$FILE_NAME s3://$BUCKET/${S3_PATH}/${FILE_NAME}
+}
\ No newline at end of file
diff --git a/ci/upload-files-to-s3.sh b/ci/upload-files-to-s3.sh
index 39fb7d7e5d..9b37870023 100755
--- a/ci/upload-files-to-s3.sh
+++ b/ci/upload-files-to-s3.sh
@@ -13,7 +13,8 @@ for ((i = 1; i < $#; i++)); do
   FILE="${!i}"
 
   echo "Uploading $FILE to $DEST ..."
-  upload "$FILE" "$DEST"
+  upload_to_ror_data_bucket "$FILE" "$DEST"
+  upload_to_ror_data_xdelta_bucket "$FILE" "$DEST"
 done
 
 echo "DONE"
\ No newline at end of file
diff --git a/ci/upload-report.sh b/ci/upload-report.sh
index fb95550326..c826a14556 100755
--- a/ci/upload-report.sh
+++ b/ci/upload-report.sh
@@ -7,12 +7,16 @@ INT_TEST_REPORT=$(find . | grep report | grep integration | grep index.html)
 
 if [ ! -z "$UNIT_TEST_REPORT" ]; then
   echo "found unit test report UNIT_TEST_REPORT"
-  upload $UNIT_TEST_REPORT "test_reports/$(date +%Y-%m-%d_%H.%M)$ROR_TASK-unit.html"
+  S3_PATH="test_reports/$(date +%Y-%m-%d_%H.%M)$ROR_TASK-unit.html"
+  upload_to_ror_data_bucket $UNIT_TEST_REPORT $S3_PATH
+  upload_to_ror_data_xdelta_bucket $UNIT_TEST_REPORT $S3_PATH
 fi
 
 
 if [ ! -z "$INT_TEST_REPORT" ]; then
   echo "found integration test report $INT_TEST_REPORT"
-  upload $INT_TEST_REPORT "test_reports/$(date +%Y-%m-%d_%H.%M)_$ROR_TASK-integration.html"
+  S3_PATH="test_reports/$(date +%Y-%m-%d_%H.%M)_$ROR_TASK-integration.html"
+  upload_to_ror_data_bucket $INT_TEST_REPORT $S3_PATH
+  upload_to_ror_data_xdelta_bucket $INT_TEST_REPORT $S3_PATH
 fi