diff --git a/.travis.yml b/.travis.yml
index 6d5332c..24dca6d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ language: csharp
 solution: src/Luban.sln
 
 mono: none
-dotnet: 3.1
+dotnet: 5.0
 script:
  - cd src
  - dotnet restore