diff --git a/.eslintrc.cjs b/.eslintrc.cjs
deleted file mode 100644
index 6a68796..0000000
--- a/.eslintrc.cjs
+++ /dev/null
@@ -1,15 +0,0 @@
-module.exports = {
-  root: true,
-  env: {
-    browser: true,
-    node: true
-  },
-  extends: [
-    'plugin:quasar/standard',
-    'digitalbazaar',
-    'digitalbazaar/jsdoc',
-    'digitalbazaar/vue3'
-  ],
-  rules: {},
-  ignorePatterns: ['node_modules/']
-};
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 751e4c2..bfe6764 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # bedrock-vue-wallet ChangeLog
 
+## 29.5.2 - 2025-08-xx
+
+### Changed
+- Update to `eslint@9`.
+
+### Fixed
+- Fix lint issues.
+
 ## 29.5.1 - 2024-10-24
 
 ### Fixed
diff --git a/components/AccessManagement.vue b/components/AccessManagement.vue
index 21d08d0..4ba7f72 100644
--- a/components/AccessManagement.vue
+++ b/components/AccessManagement.vue
@@ -143,7 +143,6 @@ export default {
   props: {
     profileId: {
       type: String,
-      default: '',
       required: true
     }
   },
diff --git a/components/AddProfileModal.vue b/components/AddProfileModal.vue
index 6421a96..0286923 100644
--- a/components/AddProfileModal.vue
+++ b/components/AddProfileModal.vue
@@ -37,7 +37,6 @@ export default {
     },
     profileOptions: {
       type: Array,
-      default: () => [],
       required: true
     }
   },
diff --git a/components/CapabilitiesList.vue b/components/CapabilitiesList.vue
index 72ce50e..4535be0 100644
--- a/components/CapabilitiesList.vue
+++ b/components/CapabilitiesList.vue
@@ -40,7 +40,6 @@ export default {
   name: 'CapabilitiesList',
   props: {
     capabilities: {
-      default: () => [],
       type: Array,
       required: true
     }
diff --git a/components/CredentialDashboard.vue b/components/CredentialDashboard.vue
index 2c1e3d3..b5e87d7 100644
--- a/components/CredentialDashboard.vue
+++ b/components/CredentialDashboard.vue
@@ -63,7 +63,6 @@ export default {
   },
   props: {
     credentials: {
-      default: () => [],
       type: Array,
       required: true
     },
@@ -77,7 +76,6 @@ export default {
       required: false
     },
     errorText: {
-      default: '',
       type: String,
       required: true
     }
@@ -139,7 +137,7 @@ export default {
 
     // Watchers
     watch(() => filteredProfiles, () => {
-      return emit('filtered-profiles', filteredProfiles);
+      return emit('filtered-profiles', filteredProfiles.value);
     }, {immediate: true});
 
     // Get each credential title and subtitle overrides
diff --git a/components/CredentialsList.vue b/components/CredentialsList.vue
index 3bc554a..52a5e72 100644
--- a/components/CredentialsList.vue
+++ b/components/CredentialsList.vue
@@ -105,7 +105,6 @@ export default {
   },
   props: {
     credentials: {
-      default: () => [],
       type: Array,
       required: true
     },
diff --git a/components/NfcShare.vue b/components/NfcShare.vue
index 921c791..f2b7872 100644
--- a/components/NfcShare.vue
+++ b/components/NfcShare.vue
@@ -80,8 +80,8 @@ export default {
         // receives the VPR
         const dec = new TextDecoder();
         try {
-          // eslint-disable-next-line max-len
-          if(event && event.message && event.message.records && event.message.records[0] && event.message.records[0].data) {
+          if(event && event.message && event.message.records &&
+            event.message.records[0] && event.message.records[0].data) {
             const vpr = JSON.parse(dec.decode(event.message.records[0].data));
             console.log('NFC read event:', event);
             console.log('VPR received:', vpr);
diff --git a/components/ProblemCard.vue b/components/ProblemCard.vue
index 3fe23ba..abae85b 100644
--- a/components/ProblemCard.vue
+++ b/components/ProblemCard.vue
@@ -70,18 +70,15 @@ export default {
   props: {
     account: {
       type: String,
-      required: true,
-      default: ''
+      required: true
     },
     error: {
       type: Error,
-      required: true,
-      default: undefined
+      required: true
     },
     loading: {
       type: Boolean,
-      required: true,
-      default: true
+      required: true
     }
   },
   emits: ['cancel'],
diff --git a/components/ProfileChooser.vue b/components/ProfileChooser.vue
index 3cb77bf..7513dbf 100644
--- a/components/ProfileChooser.vue
+++ b/components/ProfileChooser.vue
@@ -54,12 +54,10 @@ export default {
   props: {
     loading: {
       type: Boolean,
-      default: true,
       required: true
     },
     profiles: {
       type: Array,
-      default: () => [],
       required: true
     },
     selected: {
diff --git a/components/ProfileForm.vue b/components/ProfileForm.vue
index a1d4863..523e248 100644
--- a/components/ProfileForm.vue
+++ b/components/ProfileForm.vue
@@ -103,7 +103,6 @@ export default {
     },
     profileOptions: {
       type: Array,
-      default: () => [],
       required: true
     }
   },
diff --git a/components/RegisterForm.vue b/components/RegisterForm.vue
index c7c2a22..f222d2c 100644
--- a/components/RegisterForm.vue
+++ b/components/RegisterForm.vue
@@ -275,7 +275,6 @@ export default {
         // registration now complete
         await this.$emitExtendable('register');
       } catch(e) {
-        // eslint-disable-line no-console
         console.error('Register Error', e);
         const newError = `${e.name}: ${e.message || 'No Message'}`;
         this.error = newError;
diff --git a/components/ShareCredentials.vue b/components/ShareCredentials.vue
index 1cc9fda..3ade20e 100644
--- a/components/ShareCredentials.vue
+++ b/components/ShareCredentials.vue
@@ -100,13 +100,11 @@ export default {
   props: {
     requestOrigin: {
       type: String,
-      required: true,
-      default: ''
+      required: true
     },
     verifiablePresentationRequest: {
       type: [Object, Array],
-      required: true,
-      default: () => ({})
+      required: true
     }
   },
   emits: ['share', 'cancel'],
diff --git a/components/ShareReview.vue b/components/ShareReview.vue
index 0157578..3aeaeb6 100644
--- a/components/ShareReview.vue
+++ b/components/ShareReview.vue
@@ -67,28 +67,23 @@ export default {
   props: {
     authentication: {
       type: Boolean,
-      required: true,
-      default: () => false
+      required: true
     },
     capabilities: {
       type: Array,
-      required: true,
-      default: () => []
+      required: true
     },
     credentials: {
       type: Array,
-      required: true,
-      default: () => []
+      required: true
     },
     loading: {
       type: Boolean,
-      required: true,
-      default: true
+      required: true
     },
     requestOrigin: {
       type: String,
-      required: true,
-      default: ''
+      required: true
     }
   }
 };
diff --git a/components/StoreCredentials.vue b/components/StoreCredentials.vue
index 21753f0..0af52f2 100644
--- a/components/StoreCredentials.vue
+++ b/components/StoreCredentials.vue
@@ -82,18 +82,15 @@ export default {
   props: {
     account: {
       type: String,
-      required: true,
-      default: ''
+      required: true
     },
     verifiableCredential: {
       type: Array,
-      default: () => [],
       required: true
     },
     holder: {
       type: String,
-      required: true,
-      default: ''
+      required: true
     }
   },
   emits: ['store', 'cancel'],
diff --git a/eslint.config.js b/eslint.config.js
new file mode 100644
index 0000000..d1955df
--- /dev/null
+++ b/eslint.config.js
@@ -0,0 +1,38 @@
+import globals from 'globals';
+
+import digitalbazaar from 'eslint-config-digitalbazaar';
+import digitalbazaarJsdoc from 'eslint-config-digitalbazaar/jsdoc';
+import digitalbazaarModule from 'eslint-config-digitalbazaar/module';
+import digitalbazaarVue3 from 'eslint-config-digitalbazaar/vue3';
+
+export default [
+  {
+    ignores: ['**/node_modules/']
+  },
+  // not yet supported
+  // 'plugin:quasar/standard'
+  ...digitalbazaar,
+  ...digitalbazaarJsdoc,
+  ...digitalbazaarModule,
+  ...digitalbazaarVue3,
+  {
+    files: [
+      '**/*.js'
+    ],
+    languageOptions: {
+      globals: {
+        ...globals.browser
+      }
+    }
+  },
+  {
+    files: [
+      'test/web/**/*.js'
+    ],
+    languageOptions: {
+      globals: {
+        ...globals.mocha
+      }
+    }
+  }
+];
diff --git a/lib/cardDesigns.js b/lib/cardDesigns.js
index 26996b1..4aa9052 100644
--- a/lib/cardDesigns.js
+++ b/lib/cardDesigns.js
@@ -21,7 +21,6 @@
 export const cardDesigns = [
   {
     matches: {
-      // eslint-disable-next-line max-len
       '/@context': 'https://contexts.vcplayground.org/examples/food-safety-certification/v1.json',
       '/type': 'FoodSafetyCertificationCredential'
     },
diff --git a/lib/helpers.js b/lib/helpers.js
index 78d7ed7..485c323 100644
--- a/lib/helpers.js
+++ b/lib/helpers.js
@@ -30,7 +30,6 @@ export async function addWalletToChapi({} = {}) {
     }
   } catch(e) {
     if(e.message !== 'Permission denied.') {
-      // eslint-disable-line no-console
       console.error('CHAPI register error:', e);
     }
     Notify.create({
diff --git a/package.json b/package.json
index 850ae36..c852646 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "routes/*"
   ],
   "scripts": {
-    "lint": "eslint --ext .cjs,.js,.vue ."
+    "lint": "eslint"
   },
   "dependencies": {
     "@digitalbazaar/http-client": "^4.1.1",
@@ -45,13 +45,13 @@
     "vue-router": "^4.3.0"
   },
   "devDependencies": {
-    "eslint": "^8.57.0",
-    "eslint-config-digitalbazaar": "^5.0.1",
-    "eslint-plugin-jsdoc": "^50.4.1",
-    "eslint-plugin-quasar": "^1.1.0",
-    "eslint-plugin-vue": "^9.23.0",
-    "jsdoc": "^4.0.2",
-    "jsdoc-to-markdown": "^9.0.2"
+    "eslint": "^9.33.0",
+    "eslint-config-digitalbazaar": "github:digitalbazaar/eslint-config-digitalbazaar#use-eslint-v9",
+    "eslint-plugin-jsdoc": "^52.0.4",
+    "eslint-plugin-unicorn": "^60.0.0",
+    "eslint-plugin-vue": "^10.4.0",
+    "globals": "^16.3.0",
+    "vue-eslint-parser": "^10.2.0"
   },
   "engines": {
     "node": ">=18"
diff --git a/routes/RegisterPage.vue b/routes/RegisterPage.vue
index 2c7d548..79de986 100644
--- a/routes/RegisterPage.vue
+++ b/routes/RegisterPage.vue
@@ -45,7 +45,6 @@ export default {
         router.push({name: 'home'});
       } catch(e) {
         const newError = `${e.name}: ${e.message || 'No Message'}`;
-        // eslint-disable-line no-console
         console.error('Register Error:', e);
         $q.notify({
           type: 'negative',
diff --git a/test/.eslintrc.cjs b/test/.eslintrc.cjs
deleted file mode 100644
index 40e4663..0000000
--- a/test/.eslintrc.cjs
+++ /dev/null
@@ -1,6 +0,0 @@
-module.exports = {
-  env: {
-    node: true
-  }
-};
-
diff --git a/test/web/.eslintrc.cjs b/test/web/.eslintrc.cjs
deleted file mode 100644
index 7f0fc07..0000000
--- a/test/web/.eslintrc.cjs
+++ /dev/null
@@ -1,10 +0,0 @@
-module.exports = {
-  env: {
-    mocha: true,
-    browser: true
-  },
-  globals: {
-    assertNoError: true,
-    should: true
-  }
-};