diff --git a/docs/changelog.mdx b/docs/changelog.mdx
index 26d68a34..3baf7d87 100644
--- a/docs/changelog.mdx
+++ b/docs/changelog.mdx
@@ -164,6 +164,10 @@ mode: "wide"
 
 <Tab title="TypeScript">
 
+<Update label="2025-04-17" description="v2.1.18">
+**Improvements:**
+- **Client:** Added support for custom instructions
+</Update>
 
 <Update label="2025-04-15" description="v2.1.17">
 **New Features:**
diff --git a/mem0-ts/package.json b/mem0-ts/package.json
index 833e223b..336d8164 100644
--- a/mem0-ts/package.json
+++ b/mem0-ts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mem0ai",
-  "version": "2.1.17",
+  "version": "2.1.18",
   "description": "The Memory Layer For Your AI Apps",
   "main": "./dist/index.js",
   "module": "./dist/index.mjs",
diff --git a/mem0-ts/src/client/mem0.types.ts b/mem0-ts/src/client/mem0.types.ts
index 26ee13b4..f46f78b5 100644
--- a/mem0-ts/src/client/mem0.types.ts
+++ b/mem0-ts/src/client/mem0.types.ts
@@ -20,6 +20,7 @@ export interface MemoryOptions {
   start_date?: string;
   end_date?: string;
   custom_categories?: custom_categories[];
+  custom_instructions?: string;
 }
 
 export interface ProjectOptions {