diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ce07fb..9c464d4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ always bump at least minor; breaking schema changes bump major.
   `@okta/okta-angular`, `@okta/okta-vue`, `@okta/jwt-verifier`, and
   `@okta/okta-sdk-nodejs` imports, mapped to `auth/okta` (#2).
 - Add `infra/gitlab-ci` to the closed skill taxonomy (#24).
+- Add `payments/adyen` to the closed skill taxonomy (#14).
 
 ### Fixed
 - Go (`foo_test.go`), Python (`test_foo.py`) and Ruby (`foo_spec.rb`) test files are now categorised as `testing` instead of falling through to `backend`.
diff --git a/taxonomy.json b/taxonomy.json
index f7211f3..e4a71c2 100644
--- a/taxonomy.json
+++ b/taxonomy.json
@@ -1,6 +1,6 @@
 {
   "$comment": "Closed public vocabulary of skill slugs. This file is the ONLY source of valid values for detected_skills[].slug in the bundle: a slug not listed here makes the bundle invalid. Detection maps signatures/*.json matches to these slugs — deterministically, locally, with zero network calls. Adding a slug requires a PR to this file (and a signature definition); slugs are never hardcoded in the CLI. Placeholder set, to be expanded.",
-  "version": "1.15.0",
+  "version": "1.16.0",
   "skills": [
     { "slug": "auth/supabase-auth", "label": "Supabase Auth" },
     { "slug": "auth/nextauth", "label": "NextAuth / Auth.js" },
@@ -25,6 +25,7 @@
     { "slug": "payments/paddle", "label": "Paddle" },
     { "slug": "payments/braintree", "label": "Braintree" },
     { "slug": "payments/razorpay", "label": "Razorpay" },
+    { "slug": "payments/adyen", "label": "Adyen" },
     { "slug": "ai/openai-api", "label": "OpenAI API" },
     { "slug": "ai/anthropic-api", "label": "Anthropic API" },
     { "slug": "ai/mcp", "label": "Model Context Protocol (MCP)" },