diff --git a/.changeset/silver-gifts-smile.md b/.changeset/silver-gifts-smile.md
new file mode 100644
index 00000000000..f28ab7be56a
--- /dev/null
+++ b/.changeset/silver-gifts-smile.md
@@ -0,0 +1,7 @@
+---
+"@clerk/clerk-js": patch
+"@clerk/localizations": patch
+"@clerk/types": patch
+---
+
+Replaces hard-coded string `"Add a passkey"` with a new localization key `userProfile.start.passkeysSection.primaryButton`
diff --git a/packages/clerk-js/src/ui/components/UserProfile/PasskeySection.tsx b/packages/clerk-js/src/ui/components/UserProfile/PasskeySection.tsx
index 6f327377d99..baaa23ecab8 100644
--- a/packages/clerk-js/src/ui/components/UserProfile/PasskeySection.tsx
+++ b/packages/clerk-js/src/ui/components/UserProfile/PasskeySection.tsx
@@ -222,7 +222,7 @@ const AddPasskeyButton = ({ onClick }: { onClick?: () => void }) => {
   return (
     <ProfileSection.ArrowButton
       id='passkeys'
-      localizationKey={'Add a passkey'}
+      localizationKey={localizationKeys('userProfile.start.passkeysSection.primaryButton')}
       onClick={handleCreatePasskey}
     />
   );
diff --git a/packages/localizations/src/en-US.ts b/packages/localizations/src/en-US.ts
index dbfe5f3068b..0ba8e0a066f 100644
--- a/packages/localizations/src/en-US.ts
+++ b/packages/localizations/src/en-US.ts
@@ -864,6 +864,7 @@ export const enUS: LocalizationResource = {
         },
       },
       passkeysSection: {
+        primaryButton: 'Add a passkey',
         menuAction__destructive: 'Remove',
         menuAction__rename: 'Rename',
         title: 'Passkeys',
diff --git a/packages/types/src/localization.ts b/packages/types/src/localization.ts
index b873a93554f..d19932cbee1 100644
--- a/packages/types/src/localization.ts
+++ b/packages/types/src/localization.ts
@@ -435,6 +435,7 @@ type _LocalizationResource = {
       };
       passkeysSection: {
         title: LocalizationValue;
+        primaryButton: LocalizationValue;
         menuAction__rename: LocalizationValue;
         menuAction__destructive: LocalizationValue;
       };