diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e2ac697..170ad31 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -25,6 +25,8 @@ jobs:
         run: cargo install typeshare-cli
       - name: 'Install dependencies: wasm32-unknown-unknown'
         run: rustup target add wasm32-unknown-unknown
+      - name: 'Typescript check'
+        run: yarn tsc
       - name: 'Build'
         run: yarn build
       - name: 'Lint'