diff --git a/src/components/ProtectedRoute.jsx b/src/components/ProtectedRoute.tsx
similarity index 92%
rename from src/components/ProtectedRoute.jsx
rename to src/components/ProtectedRoute.tsx
index 51f317f..5245e26 100644
--- a/src/components/ProtectedRoute.jsx
+++ b/src/components/ProtectedRoute.tsx
@@ -21,7 +21,12 @@ const DefaultFallback = () => (
  * The attempted path travels in location state so signing in returns the
  * visitor to where they were going.
  */
-export default function ProtectedRoute({ fallback = <DefaultFallback />, unauthenticatedElement }) {
+interface ProtectedRouteProps {
+  fallback?: any;
+  unauthenticatedElement?: any;
+}
+
+export default function ProtectedRoute({ fallback = <DefaultFallback />, unauthenticatedElement }: ProtectedRouteProps) {
   const location = useLocation();
   const { isAuthenticated, isLoadingAuth, authChecked, authError, checkUserAuth } = useAuth();
   const signedOut = unauthenticatedElement ?? (
diff --git a/src/components/ScrollToTop.jsx b/src/components/ScrollToTop.tsx
similarity index 100%
rename from src/components/ScrollToTop.jsx
rename to src/components/ScrollToTop.tsx
diff --git a/src/components/UserNotRegisteredError.jsx b/src/components/UserNotRegisteredError.tsx
similarity index 100%
rename from src/components/UserNotRegisteredError.jsx
rename to src/components/UserNotRegisteredError.tsx
diff --git a/src/layouts/AdminLayout.jsx b/src/layouts/AdminLayout.tsx
similarity index 99%
rename from src/layouts/AdminLayout.jsx
rename to src/layouts/AdminLayout.tsx
index e86acc3..0f0f8d4 100644
--- a/src/layouts/AdminLayout.jsx
+++ b/src/layouts/AdminLayout.tsx
@@ -100,7 +100,11 @@ function GlobalSearch() {
   );
 }
 
-function NotificationsMenu({ items }) {
+interface NotificationsMenuProps {
+  items?: any;
+}
+
+function NotificationsMenu({ items }: NotificationsMenuProps) {
   const unread = items.filter((n) => !n.read).length;
 
   return (
diff --git a/src/layouts/Layout.jsx b/src/layouts/Layout.tsx
similarity index 100%
rename from src/layouts/Layout.jsx
rename to src/layouts/Layout.tsx