diff --git a/.github/workflows/CD.yml b/.github/workflows/CD.yml
index 395754a..f63f995 100644
--- a/.github/workflows/CD.yml
+++ b/.github/workflows/CD.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Install .NET
         uses: actions/setup-dotnet@v1.7.2
         with:
-          dotnet-version: 5.0.100
+          dotnet-version: 3.1.100
 
       - name: Build & publish (CLI)
         run: dotnet publish DiscordChatExporter.Cli/ -o DiscordChatExporter.Cli/bin/Publish/ --configuration Release
diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index b2c4cc5..cf103df 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -13,7 +13,7 @@ jobs:
       - name: Install .NET
         uses: actions/setup-dotnet@v1.7.2
         with:
-          dotnet-version: 5.0.100
+          dotnet-version: 3.1.100
 
       - name: Build & publish (CLI)
         run: dotnet publish DiscordChatExporter.Cli/ -o DiscordChatExporter.Cli/bin/Publish/ --configuration Release