diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..a78fb11
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,20 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  validate:
+    name: Validate WIT
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6.0.2
+
+      - name: Install wasm-tools
+        uses: bytecodealliance/actions/wasm-tools/setup@v1
+
+      - name: Validate WIT
+        run: wasm-tools component wit wit/
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
deleted file mode 100644
index b944a0d..0000000
--- a/.github/workflows/main.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-name: CI
-on:
-  push:
-    branches: [main]
-  pull_request:
-    branches: [main]
-
-jobs:
-  abi-up-to-date:
-    name: Check ABI files are up-to-date
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-    - uses: WebAssembly/wit-abi-up-to-date@v17