diff --git a/rollup.config.js b/rollup.config.js
index 34c5b6f..a7978d8 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -20,7 +20,7 @@ export default {
   ],
   plugins: [resolve(), typescript(), terser()],
   external: [
-    ...Object.keys(pkg.dependencies),
-    ...Object.keys(pkg.peerDependencies),
+    ...Object.keys(pkg.dependencies || {}),
+    ...Object.keys(pkg.peerDependencies || {}),
   ],
 };
diff --git a/src/context.tsx b/src/context.tsx
index 6cecc89..c46fac1 100644
--- a/src/context.tsx
+++ b/src/context.tsx
@@ -3,15 +3,11 @@ import { BitlyClient } from 'bitly';
 import { BitlyConfig } from 'bitly/dist/types';
 
 interface Config {
-  accessToken: string;
-  options?: BitlyConfig;
+  readonly accessToken: string;
+  readonly options?: BitlyConfig;
 }
 
-export const ShortenUrlContext = React.createContext<{
-  readonly bitly: BitlyClient;
-}>({
-  bitly: {} as BitlyClient,
-});
+export const ShortenUrlContext = React.createContext({} as BitlyClient);
 
 ShortenUrlContext.displayName = 'ShortenUrlContext';
 
@@ -24,8 +20,10 @@ export const ShortenUrlProvider: React.FC<{ readonly config: Config }> = ({
   const bitly = new BitlyClient(accessToken, options);
 
   return (
-    <ShortenUrlContext.Provider value={{ bitly }}>
+    <ShortenUrlContext.Provider value={bitly}>
       {children}
     </ShortenUrlContext.Provider>
   );
 };
+
+ShortenUrlProvider.displayName = 'ShortenUrlProvider';
diff --git a/src/useShortenUrl.ts b/src/useShortenUrl.ts
index 6301990..71228c7 100644
--- a/src/useShortenUrl.ts
+++ b/src/useShortenUrl.ts
@@ -9,7 +9,7 @@ export const useShortenUrl = (url: string) => {
   const [error, setError] = useState<Error | null>(null);
   const [data, setData] = useState<BitlyLink>();
 
-  const { bitly } = useSafeContext(ShortenUrlContext);
+  const bitly = useSafeContext(ShortenUrlContext);
 
   useEffect(() => {
     const shorten = async () => {