diff --git a/services/web/frontend/js/serviceWorker.js b/services/web/frontend/js/serviceWorker.js
index 74edeffb15..ac048ed0bd 100644
--- a/services/web/frontend/js/serviceWorker.js
+++ b/services/web/frontend/js/serviceWorker.js
@@ -9,7 +9,7 @@ const CLEAR_CACHE_REQUEST_MATCHER = /^\/project\/[0-9a-f]{24}\/output$/
 const COMPILE_REQUEST_MATCHER = /^\/project\/[0-9a-f]{24}\/compile$/
 const PDF_REQUEST_MATCHER = /^\/project\/[0-9a-f]{24}\/.*\/output.pdf$/
 const PDF_JS_CHUNK_SIZE = 128 * 1024
-const MAX_SUBREQUEST_COUNT = 8
+const MAX_SUBREQUEST_COUNT = 4
 const MAX_SUBREQUEST_BYTES = 4 * PDF_JS_CHUNK_SIZE
 const INCREMENTAL_CACHE_SIZE = 1000