diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e7f3a16..5475bba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
       uses: actions/checkout@v1
     - uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: '6.0.x'
+        dotnet-version: '9.0.x'
     - name: Build
       run: dotnet build
   
@@ -26,7 +26,7 @@ jobs:
       uses: actions/checkout@v1
     - uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: '6.0.x'
+        dotnet-version: '9.0.x'
     - name: Run tests
       run: dotnet test
     
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index ca16ca6..70f73a3 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -14,7 +14,7 @@ jobs:
       uses: actions/checkout@v1
     - uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: '6.0.x'
+        dotnet-version: '9.0.x'
     - name: Build
       run: dotnet build -c Release -o output
     - name: Deploy to nuGet gallery