diff --git a/.env b/.env
index ec000feba..563f03f44 100644
--- a/.env
+++ b/.env
@@ -43,4 +43,4 @@ INVITE_STUDENTS_EMAIL_TO=''
 ENABLE_HOME_PAGE_COURSE_API_V2=false
 ENABLE_CHECKLIST_QUALITY=''
 ENABLE_GRADING_METHOD_IN_PROBLEMS=false
-LIBRARY_MODE="v1 only"
+LIBRARY_MODE="mixed"