diff --git a/README.md b/README.md
index 4abb3c8b..5b01333d 100644
--- a/README.md
+++ b/README.md
@@ -34,12 +34,15 @@ module.exports = {
           region: process.env.AWS_REGION,
         },
         buckets: ["my-bucket", "my-second-bucket"],
+        expiration: 120,
       },
     },
   ],
 };
 ```
 
+The value of expiration specifies the time after which signed requests to S3 will expire. The default value is 60 seconds. Feel free to increase if you have many or large images and start to see errors similar to "HTTPError: Response code 403 (Forbidden)" during build. This option is not compulsory.
+
 ### AWS setup
 
 You can use the plugin both with private and public buckets.
diff --git a/src/gatsby-node.ts b/src/gatsby-node.ts
index 4bf2977d..d942bfe6 100644
--- a/src/gatsby-node.ts
+++ b/src/gatsby-node.ts
@@ -11,6 +11,7 @@ type pluginOptionsType = {
     region: string;
   };
   buckets: string[];
+  expiration: number;
 };
 
 type ObjectType = AWS.S3.Object & { Bucket: string };
@@ -20,7 +21,7 @@ export async function sourceNodes(
   { actions: { createNode }, createNodeId, createContentDigest, reporter },
   pluginOptions: pluginOptionsType
 ) {
-  const { aws: awsConfig, buckets } = pluginOptions;
+  const { aws: awsConfig, buckets, expiration = 60 } = pluginOptions;
 
   // configure aws
   AWS.config.update(awsConfig);
@@ -91,7 +92,7 @@ export async function sourceNodes(
       const url = s3.getSignedUrl("getObject", {
         Bucket,
         Key,
-        Expires: 60,
+        Expires: expiration,
       });
 
       createNode({