diff --git a/.github/workflows/preview_ci.yml b/.github/workflows/preview_ci.yml
index 8854e79257e..2ba6bd332a8 100644
--- a/.github/workflows/preview_ci.yml
+++ b/.github/workflows/preview_ci.yml
@@ -22,6 +22,9 @@ jobs:
     - uses: actions/setup-node@v3
       with:
         node-version: "15"
+    - uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: '8.0.100-rc.2.23502.2'
     - name: Set build number 
       if: matrix.os == 'ubuntu-latest'
       run: echo "BuildNumber=$(( $GITHUB_RUN_NUMBER + 16368 ))" >> $GITHUB_ENV
diff --git a/.github/workflows/release_ci.yml b/.github/workflows/release_ci.yml
index 8e78b05c834..33117ee42c9 100644
--- a/.github/workflows/release_ci.yml
+++ b/.github/workflows/release_ci.yml
@@ -33,6 +33,9 @@ jobs:
     - uses: actions/setup-node@v3
       with:
         node-version: "15"
+    - uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: '8.0.100-rc.2.23502.2'
     - name: Set build number 
       if: matrix.os == 'ubuntu-latest'
       run: echo "BuildNumber=$(( $GITHUB_RUN_NUMBER + 15471 ))" >> $GITHUB_ENV