diff --git a/.github/workflows/csharp-test.yml b/.github/workflows/csharp-test.yml
index befeefe728c..e29901feacb 100644
--- a/.github/workflows/csharp-test.yml
+++ b/.github/workflows/csharp-test.yml
@@ -76,6 +76,19 @@ jobs:
           # Share the target directory with our local project to avoid rebuilding same SpacetimeDB crates twice.
           CARGO_TARGET_DIR: demo/Blackholio/server-rust/target
 
+      - name: Check quickstart-chat bindings are up to date
+        working-directory: sdks/csharp/examples~/quickstart-chat
+        run: |
+          spacetime generate --lang csharp --out-dir client/module_bindings --project-path server
+          # This was copied from tools/check-diff.sh.
+          # It's required because `spacetime generate` creates lines with the SpacetimeDB commit
+          # version, which would make this `git diff` check very brittle if included.
+          PATTERN='^// This was generated using spacetimedb cli version.*'
+          git diff --exit-code --ignore-matching-lines="$PATTERN" -- . || {
+              echo "Error: quickstart-chat bindings have changed. Please regenerate the bindings and commit them to this branch."
+              exit 1
+          }
+
       - name: Generate client bindings
         working-directory: demo/Blackholio/server-rust
         run: bash ./generate.sh -y
diff --git a/sdks/csharp/examples~/quickstart-chat/client/module_bindings/SpacetimeDBClient.g.cs b/sdks/csharp/examples~/quickstart-chat/client/module_bindings/SpacetimeDBClient.g.cs
index d025ee74fb3..29b23559fbc 100644
--- a/sdks/csharp/examples~/quickstart-chat/client/module_bindings/SpacetimeDBClient.g.cs
+++ b/sdks/csharp/examples~/quickstart-chat/client/module_bindings/SpacetimeDBClient.g.cs
@@ -385,11 +385,11 @@ Action<ErrorContext, Exception> callback
 
         /// <summary>
         /// Subscribe to the following SQL queries.
-        /// 
+        ///
         /// This method returns immediately, with the data not yet added to the DbConnection.
         /// The provided callbacks will be invoked once the data is returned from the remote server.
         /// Data from all the provided queries will be returned at the same time.
-        /// 
+        ///
         /// See the SpacetimeDB SQL docs for more information on SQL syntax:
         /// <a href="https://spacetimedb.com/docs/sql">https://spacetimedb.com/docs/sql</a>
         /// </summary>