diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8a9503b..476ed12 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -21,8 +21,9 @@ jobs:
           node-version: 20
           cache: pnpm
       - run: pnpm install
+      - run: npm install -g tsx
       - name: Run checks
-        run: pnpm exec tsx ./scripts/release/main.ts --version 0.0.0 --only-steps run-ci-checks
+        run: ./scripts/release/main.ts --version 0.0.0 --only-steps run-ci-checks
       - name: Run ACP v1 server tests
         run: |
           cargo test -p sandbox-agent-agent-management