diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 3c0684d..f9dea4e 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -36,7 +36,7 @@ jobs:
       uses: actions/setup-dotnet@v5
       with:
         dotnet-version: |
-          9.0.x
+          10.0.x
 
     # If this run was triggered by a pull request event, then checkout
     # the head of the pull request instead of the merge commit.
diff --git a/.github/workflows/csharp.yml b/.github/workflows/csharp.yml
index 43a0855..cb785e0 100644
--- a/.github/workflows/csharp.yml
+++ b/.github/workflows/csharp.yml
@@ -16,10 +16,10 @@ jobs:
         uses: actions/setup-dotnet@v5
         with:
           dotnet-version: '8.0.x'
-      - name: Set up dotnet 9.
+      - name: Set up dotnet 10.
         uses: actions/setup-dotnet@v5
         with:
-          dotnet-version: '9.0.x'
+          dotnet-version: '10.0.x'
       - name: Build
         run: dotnet build
       - name: Run test suite