diff --git a/.github/workflows/OTAManager Build.yml b/.github/workflows/OTAManager Build.yml
index 7bc1b44..37ccae0 100644
--- a/.github/workflows/OTAManager Build.yml	
+++ b/.github/workflows/OTAManager Build.yml	
@@ -13,6 +13,8 @@ jobs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: |
+          2.0.x
+          2.1.x
           3.1.x
           5.0.x
           6.0.x
diff --git a/.github/workflows/dotnet-core.yml b/.github/workflows/dotnet-core.yml
index 3b6657d..95680e7 100644
--- a/.github/workflows/dotnet-core.yml
+++ b/.github/workflows/dotnet-core.yml
@@ -13,6 +13,8 @@ jobs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: |
+          2.0.x
+          2.1.x
           3.1.x
           5.0.x
           6.0.x
diff --git a/.github/workflows/dotnet-format.yml b/.github/workflows/dotnet-format.yml
index 00b996e..915ec49 100644
--- a/.github/workflows/dotnet-format.yml
+++ b/.github/workflows/dotnet-format.yml
@@ -18,6 +18,8 @@ jobs:
         uses: actions/setup-dotnet@v4
         with:
           dotnet-version: |
+            2.0.x
+            2.1.x
             3.1.x
             5.0.x
             6.0.x
diff --git a/.github/workflows/nuget-tag-publish.yml b/.github/workflows/nuget-tag-publish.yml
index f5e9037..73cb91b 100644
--- a/.github/workflows/nuget-tag-publish.yml
+++ b/.github/workflows/nuget-tag-publish.yml
@@ -16,6 +16,8 @@ jobs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: |
+          2.0.x
+          2.1.x
           3.1.x
           5.0.x
           6.0.x