diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
index 732247a..858e6e0 100644
--- a/.github/workflows/dotnet.yml
+++ b/.github/workflows/dotnet.yml
@@ -16,7 +16,9 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 6.0.x
+        dotnet-version: |
+          6.0.x
+          3.1.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build
diff --git a/.github/workflows/pre_release.yml b/.github/workflows/pre_release.yml
index de96d6f..82934c9 100644
--- a/.github/workflows/pre_release.yml
+++ b/.github/workflows/pre_release.yml
@@ -19,7 +19,9 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 6.0.x
+        dotnet-version: |
+          6.0.x
+          3.1.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e655647..e500b31 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,9 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 6.0.x
+        dotnet-version: |
+          6.0.x
+          3.1.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build