diff --git a/.github/workflows/create-release.yml b/.github/workflows/create-release.yml
index 798d7c89..f7785dc2 100644
--- a/.github/workflows/create-release.yml
+++ b/.github/workflows/create-release.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Setup .NET Core
         uses: actions/setup-dotnet@v1
         with:
-          dotnet-version: '2.1.x'
+          dotnet-version: '3.1.x'
 
       - name: Read version.json to env
         uses: antifree/json-to-variables@v1.0.1