diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index f8e1c83d7..aed1b4e87 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -29,14 +29,14 @@ jobs:
       with:
         go-version-file: go.mod
 
-    - name: Lint
+    - name: Lint go code
       uses: golangci/golangci-lint-action@v6
       with:
         args: --timeout=30m
         version: v1.60
 
-      shell: bash
-    - name: Run Vacuum
-      run: |
-        go run github.com/daveshanley/vacuum@latest lint -d api/webhook.yaml
-      shell: bash
+      # Run Spectral
+    - name: Lint OpenAPI spec
+      uses: stoplightio/spectral-action@2ad0b9302e32a77c1caccf474a9b2191a8060d83 # v0.8.11
+      with:
+        file_glob: 'api/*.yaml'
diff --git a/.spectral.yaml b/.spectral.yaml
new file mode 100644
index 000000000..d47c47d31
--- /dev/null
+++ b/.spectral.yaml
@@ -0,0 +1 @@
+extends: ["spectral:oas"]
diff --git a/Makefile b/Makefile
index 0c22b0096..7eee8f411 100644
--- a/Makefile
+++ b/Makefile
@@ -60,8 +60,9 @@ licensecheck:
                exit 1; \
        fi
 
+# Requires to install spectral. See https://github.com/stoplightio/spectral
 oas-lint:
-	go run github.com/daveshanley/vacuum@latest lint -d api/webhook.yaml
+	spectral lint api/*.yaml
 
 # Run all the linters
 .PHONY: lint
diff --git a/api/webhook.yaml b/api/webhook.yaml
index ac7cb2d36..c0c4f16aa 100644
--- a/api/webhook.yaml
+++ b/api/webhook.yaml
@@ -1,7 +1,7 @@
 ---
 openapi: "3.0.0"
 info:
-  version: 0.14.0
+  version: v0.15.0
   title: External DNS Webhook Server
   description: >-
     Implements the external DNS webhook endpoints.
@@ -44,7 +44,7 @@ paths:
                   - example.com
         '500':
           description: |
-            Failed to provide the list of domains we serve.
+            Negociation failed.
 
   /records:
     get:
diff --git a/provider/webhook/webhook_test.go b/provider/webhook/webhook_test.go
index 470c3caf5..999cdc3bf 100644
--- a/provider/webhook/webhook_test.go
+++ b/provider/webhook/webhook_test.go
@@ -162,6 +162,7 @@ func TestAdjustEndpoints(t *testing.T) {
 		}
 		j, _ := json.Marshal(endpoints)
 		w.Write(j)
+
 	}))
 	defer svr.Close()