diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b0c054951..bfa275110 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -90,6 +90,7 @@ jobs:
         - tck-version: "2.0.1"
         - tck-version: "3.0"
         - tck-version: "3.1.1"
+        - tck-version: "4.0-SNAPSHOT"
 
     name: MicroProfile OpenAPI TCK ${{ matrix.tck-version }}
     steps: