diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 6a15549e..e9ab5097 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "7.7.0"
+  ".": "7.8.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 857bba99..d5a67d67 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog
 
+## 7.8.0 (2026-06-18)
+
+Full Changelog: [v7.7.0...v7.8.0](https://github.com/imagekit-developer/imagekit-nodejs/compare/v7.7.0...v7.8.0)
+
+### Features
+
+* **origins:** add useIAMRole for IAM role authentication ([2681929](https://github.com/imagekit-developer/imagekit-nodejs/commit/2681929114b0e59f5a71c9bc7b57bbcb1a462e1a))
+
+
+### Bug Fixes
+
+* **client:** send content-type header for requests with an omitted optional body ([4d86646](https://github.com/imagekit-developer/imagekit-nodejs/commit/4d866468f962504282b12cd18356708dfe1d52c0))
+
+
+### Documentation
+
+* update default value in description for intensity in colorize transformation ([f4f38da](https://github.com/imagekit-developer/imagekit-nodejs/commit/f4f38dacd0a29ba7aa42562b8394e8cd4e2d0f64))
+
 ## 7.7.0 (2026-06-03)
 
 Full Changelog: [v7.6.3...v7.7.0](https://github.com/imagekit-developer/imagekit-nodejs/compare/v7.6.3...v7.7.0)
diff --git a/package.json b/package.json
index a26e5d4e..87342dab 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@imagekit/nodejs",
-  "version": "7.7.0",
+  "version": "7.8.0",
   "description": "Offical NodeJS SDK for ImageKit.io integration",
   "author": "Image Kit <developer@imagekit.io>",
   "types": "dist/index.d.ts",
diff --git a/packages/mcp-server/manifest.json b/packages/mcp-server/manifest.json
index d81d1139..f0b90ed6 100644
--- a/packages/mcp-server/manifest.json
+++ b/packages/mcp-server/manifest.json
@@ -1,7 +1,7 @@
 {
   "dxt_version": "0.2",
   "name": "@imagekit/api-mcp",
-  "version": "7.7.0",
+  "version": "7.8.0",
   "description": "The official MCP Server for the Image Kit API",
   "author": {
     "name": "Image Kit",
diff --git a/packages/mcp-server/package.json b/packages/mcp-server/package.json
index 0c1c2620..dd352142 100644
--- a/packages/mcp-server/package.json
+++ b/packages/mcp-server/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@imagekit/api-mcp",
-  "version": "7.7.0",
+  "version": "7.8.0",
   "description": "The official MCP Server for the Image Kit API",
   "author": "Image Kit <developer@imagekit.io>",
   "types": "dist/index.d.ts",
diff --git a/packages/mcp-server/src/server.ts b/packages/mcp-server/src/server.ts
index 93be50a0..06e90a23 100644
--- a/packages/mcp-server/src/server.ts
+++ b/packages/mcp-server/src/server.ts
@@ -28,7 +28,7 @@ export const newMcpServer = async ({
   new McpServer(
     {
       name: 'imagekit_nodejs_api',
-      version: '7.7.0',
+      version: '7.8.0',
     },
     {
       instructions: await getInstructions({ stainlessApiKey, customInstructionsPath }),
diff --git a/src/client.ts b/src/client.ts
index 21f5fd6a..e651dc58 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -781,11 +781,19 @@ export class ImageKit {
     return () => controller.abort();
   }
 
-  private buildBody({ options: { body, headers: rawHeaders } }: { options: FinalRequestOptions }): {
+  private buildBody({ options }: { options: FinalRequestOptions }): {
     bodyHeaders: HeadersLike;
     body: BodyInit | undefined;
   } {
+    const { body, headers: rawHeaders } = options;
     if (!body) {
+      // A resource method always passes a `body` key when its operation defines a
+      // request body, even if the caller omitted an optional body param. Keep the
+      // content-type for those, and only elide it for operations with no body at
+      // all (e.g. GET/DELETE).
+      if (body == null && 'body' in options) {
+        return this.#encoder({ body, headers: buildHeaders([rawHeaders]) });
+      }
       return { bodyHeaders: undefined, body: undefined };
     }
     const headers = buildHeaders([rawHeaders]);
diff --git a/src/version.ts b/src/version.ts
index 9d2fe457..217bc6a8 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '7.7.0'; // x-release-please-version
+export const VERSION = '7.8.0'; // x-release-please-version