diff --git a/package-lock.json b/package-lock.json
index e859c3b..3e53753 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
         "@quasar/extras": "^2.0.4",
         "@scure/bip32": "^2.3.0",
         "@scure/bip39": "^2.3.0",
-        "lnurlcash-kit": "0.1.1",
+        "lnurlcash-kit": "0.5.0",
         "nostr-tools": "2.24.3",
         "pinia": "^4.0.2",
         "qrcode.vue": "^3.10.0",
@@ -46,7 +46,7 @@
         "eslint": "^10.8.0",
         "eslint-plugin-vue": "^10.8.0",
         "globals": "^17.4.0",
-        "lnurlcash-conformance": "0.1.1",
+        "lnurlcash-conformance": "0.4.0",
         "postcss": "^8.5.8",
         "prettier": "^3.8.1",
         "sass": "^1.102.0",
@@ -5961,9 +5961,9 @@
       }
     },
     "node_modules/lnurlcash-conformance": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/lnurlcash-conformance/-/lnurlcash-conformance-0.1.1.tgz",
-      "integrity": "sha512-12EXkom7x+tpkk4Pi2zanlMbDpA64hh+b5PKTPoKfahiWPG3GQbNusun1NHKpYjNwyevRISTP9487W+ZqEuEZw==",
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/lnurlcash-conformance/-/lnurlcash-conformance-0.4.0.tgz",
+      "integrity": "sha512-PsmjMrle5DE+OeTxLdBRD6ah63m9XPpNlPvB9f4FUdCtI6FbW6k5HcinMMt0mTkd9X9iOZHKG9SIqZ5HQJ0BDQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -5987,9 +5987,9 @@
       }
     },
     "node_modules/lnurlcash-kit": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/lnurlcash-kit/-/lnurlcash-kit-0.1.1.tgz",
-      "integrity": "sha512-O1rak4hcoKIBZdtbCMfQhCS4hp9HducJeJf8nEYxbPXtFm83EyPBqOAwWHYkzJMFKnyTqjJmvjjzfgL3ePQQOw==",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/lnurlcash-kit/-/lnurlcash-kit-0.5.0.tgz",
+      "integrity": "sha512-ASX+/yduZjV9aLSoUXlP06dWNJ6Bt3IYrG0QoAqtvnC1h8lCs5rWVzw9RgmE0j1sZs16V2RicDlaSvON4JV8Pg==",
       "license": "MIT",
       "dependencies": {
         "@noble/curves": "^2.3.0",
diff --git a/package.json b/package.json
index 5a68016..e5fb4d1 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "@quasar/extras": "^2.0.4",
     "@scure/bip32": "^2.3.0",
     "@scure/bip39": "^2.3.0",
-    "lnurlcash-kit": "0.1.1",
+    "lnurlcash-kit": "0.5.0",
     "nostr-tools": "2.24.3",
     "pinia": "^4.0.2",
     "qrcode.vue": "^3.10.0",
@@ -57,7 +57,7 @@
     "eslint": "^10.8.0",
     "eslint-plugin-vue": "^10.8.0",
     "globals": "^17.4.0",
-    "lnurlcash-conformance": "0.1.1",
+    "lnurlcash-conformance": "0.4.0",
     "postcss": "^8.5.8",
     "prettier": "^3.8.1",
     "sass": "^1.102.0",
diff --git a/src/lnurlcash/mintContract.test.ts b/src/lnurlcash/mintContract.test.ts
index fd7c4aa..e9f6c3a 100644
--- a/src/lnurlcash/mintContract.test.ts
+++ b/src/lnurlcash/mintContract.test.ts
@@ -116,9 +116,10 @@ describe('mint-address wire contract', () => {
 
 describe('withdraw-link forms', () => {
   it('accepts the lnurlw:// withdraw link the conformance mock mint advertises', async () => {
-    const m = await mint({testHooks: true})
+    // conformance 0.4.0 defaults to plain https links; lnurlw:// (the form
+    // lnurl-mint emits under LUD-17) is an explicit option
+    const m = await mint({testHooks: true, withdrawLinkForm: 'lnurlw'})
     const prepared = await prepareMint(`mint@127.0.0.1:${m.port}`, 21_000)
-    // published conformance 0.1.1 emits lnurlw:// by default - NOT https
     expect(prepared.withdrawLink).toMatch(/^lnurlw:\/\//)
 
     // and the link is fully usable: settle the invoice, claim the note
diff --git a/src/lnurlcash/ops.mint-receive.cases.ts b/src/lnurlcash/ops.mint-receive.cases.ts
index 9649448..3989d7c 100644
--- a/src/lnurlcash/ops.mint-receive.cases.ts
+++ b/src/lnurlcash/ops.mint-receive.cases.ts
@@ -2,7 +2,6 @@ import {describe, expect, it} from 'vitest'
 import {
   NoteSpentError,
   PendingNoteError,
-  buildNoteUrl,
   fetchNoteInfo,
   meltNote,
   noteK1,
@@ -39,14 +38,32 @@ describe('mint -> claim -> rotate', () => {
     const instance = await mint({testHooks: true, baseFeeMsat: 1_000, feePpm: 2_000})
     const prepared = await prepareMint(`mint@127.0.0.1:${instance.port}`, 100_000)
     expect(prepared.grossMsat).toBeGreaterThan(100_000)
-    const preimage = await settleLastInvoice(instance)
-    const info = await fetchNoteInfo(
-      buildNoteUrl(prepared.withdrawLink, preimage, prepared.expectedNoteValueMsat),
-    )
-    expect(info.maxWithdrawable).toBeGreaterThanOrEqual(99_000)
-    expect(info.maxWithdrawable).toBeLessThanOrEqual(prepared.grossMsat)
+    await settleLastInvoice(instance)
+    const claimed = await claimMintedNote(prepared, {
+      intervalMs: 10,
+      intervalCapMs: 20,
+      maxWaitMs: 5_000,
+    })
+    // the service's maxWithdrawable is authoritative: the fee is withheld
+    // from the gross, so the note nets between the asked value and the gross
+    expect(claimed.note.amount).toBeGreaterThanOrEqual(99_000)
+    expect(claimed.note.amount).toBeLessThanOrEqual(prepared.grossMsat)
+    expect(claimed.rotated).toBe(true)
+  })
+
+  it('refuses a verify response naming a different invoice', async () => {
+    const instance = await mint({testHooks: true})
+    const prepared = await prepareMint(`mint@127.0.0.1:${instance.port}`, 21_000)
+    await settleLastInvoice(instance)
+    // a verify answer that names any invoice but the requested one must
+    // stop the claim - the preimage it carries belongs to another payment
+    const other = `${prepared.invoice.slice(0, -1)}${prepared.invoice.endsWith('q') ? 'p' : 'q'}`
     await expect(
-      claimMintedNote(prepared, {intervalMs: 10, intervalCapMs: 20, maxWaitMs: 500}),
+      claimMintedNote({...prepared, invoice: other}, {
+        intervalMs: 10,
+        intervalCapMs: 20,
+        maxWaitMs: 5_000,
+      }),
     ).rejects.toThrow(/different invoice/)
   })