diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 03dce2cf5e..d398091816 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -19,6 +19,11 @@ jobs:
         with:
           ref: ${{ github.event.inputs.tag }}
 
+      - name: Install .NET 6
+        uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: '6.0.x'
+
       - name: Prepare Environment
         run: |
           make all
@@ -65,6 +70,11 @@ jobs:
         with:
           ref: ${{ github.event.inputs.tag }}
 
+      - name: Install .NET 6
+        uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: '6.0.x'
+
       - name: Prepare Environment
         run: |
           make all