diff --git a/lib/manager/util/version.js b/lib/manager/util/version.js
index 799a2e1a8..ea61a4c3b 100644
--- a/lib/manager/util/version.js
+++ b/lib/manager/util/version.js
@@ -63,11 +63,12 @@ export function versionHasNotBegun (
 // https://github.com/conveyal/gtfs-lib/blob/dev/src/main/java/com/conveyal/gtfs/error/NewGTFSErrorType.java
 export const BLOCKING_ERROR_TYPES = [
   'ILLEGAL_FIELD_VALUE',
-  'TABLE_IN_SUBDIRECTORY',
-  'WRONG_NUMBER_OF_FIELDS',
   'MISSING_COLUMN',
+  'REFERENTIAL_INTEGRITY',
+  'SERVICE_WITHOUT_DAYS_OF_WEEK',
   'TABLE_MISSING_COLUMN_HEADERS',
-  'REFERENTIAL_INTEGRITY'
+  'TABLE_IN_SUBDIRECTORY',
+  'WRONG_NUMBER_OF_FIELDS'
 ]
 
 export function isErrorBlocking (category: ValidationResultErrorCount) {