diff --git a/docs/changelog.mdx b/docs/changelog.mdx
index 209ac2a1..65e5a5dd 100644
--- a/docs/changelog.mdx
+++ b/docs/changelog.mdx
@@ -209,6 +209,11 @@ mode: "wide"
 
 <Tab title="TypeScript">
 
+<Update label="2025-05-01" description="v2.1.21">
+**Improvements:**
+- **OSS SDK:** Bumped version of `@anthropic-ai/sdk` to `0.40.1`
+</Update>
+
 <Update label="2025-04-28" description="v2.1.20">
 **Improvements:**
 - **Client:** Fixed `organizationId` and `projectId` being asssigned to default in `ping` method
diff --git a/mem0-ts/package.json b/mem0-ts/package.json
index b7c0aa00..3a2647cd 100644
--- a/mem0-ts/package.json
+++ b/mem0-ts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mem0ai",
-  "version": "2.1.20",
+  "version": "2.1.21",
   "description": "The Memory Layer For Your AI Apps",
   "main": "./dist/index.js",
   "module": "./dist/index.mjs",
@@ -97,7 +97,7 @@
     "zod": "^3.24.1"
   },
   "peerDependencies": {
-    "@anthropic-ai/sdk": "0.18.0",
+    "@anthropic-ai/sdk": "^0.40.1",
     "@google/genai": "^0.7.0",
     "@mistralai/mistralai": "^1.5.2",
     "@qdrant/js-client-rest": "1.13.0",
diff --git a/mem0-ts/pnpm-lock.yaml b/mem0-ts/pnpm-lock.yaml
index f9012f08..1212314a 100644
--- a/mem0-ts/pnpm-lock.yaml
+++ b/mem0-ts/pnpm-lock.yaml
@@ -8,8 +8,8 @@ importers:
   .:
     dependencies:
       "@anthropic-ai/sdk":
-        specifier: 0.18.0
-        version: 0.18.0(encoding@0.1.13)
+        specifier: 0.40.1
+        version: 0.40.1(encoding@0.1.13)
       "@google/genai":
         specifier: ^0.7.0
         version: 0.7.0(encoding@0.1.13)
@@ -110,10 +110,10 @@ packages:
       }
     engines: { node: ">=6.0.0" }
 
-  "@anthropic-ai/sdk@0.18.0":
+  "@anthropic-ai/sdk@0.40.1":
     resolution:
       {
-        integrity: sha512-3XsWEn/4nPGRd4AdSguugbSDFy6Z2AWTNOeI3iK+aV22+w23+vY9CEb3Hiy0kvKIQuxSmZz/+5WKC8nPWy8gVg==,
+        integrity: sha512-DJMWm8lTEM9Lk/MSFL+V+ugF7jKOn0M2Ujvb5fN8r2nY14aHbGPZ1k6sgjL+tpJ3VuOGJNG+4R83jEpOuYPv8w==,
       }
 
   "@babel/code-frame@7.26.2":
@@ -4875,17 +4875,15 @@ snapshots:
       "@jridgewell/gen-mapping": 0.3.8
       "@jridgewell/trace-mapping": 0.3.25
 
-  "@anthropic-ai/sdk@0.18.0(encoding@0.1.13)":
+  "@anthropic-ai/sdk@0.40.1(encoding@0.1.13)":
     dependencies:
       "@types/node": 18.19.76
       "@types/node-fetch": 2.6.12
       abort-controller: 3.0.0
       agentkeepalive: 4.6.0
-      digest-fetch: 1.3.0
       form-data-encoder: 1.7.2
       formdata-node: 4.4.1
       node-fetch: 2.7.0(encoding@0.1.13)
-      web-streams-polyfill: 3.3.3
     transitivePeerDependencies:
       - encoding
 
diff --git a/mem0-ts/src/oss/src/vector_stores/pgvector.ts b/mem0-ts/src/oss/src/vector_stores/pgvector.ts
index 4dd98893..9c1b0034 100644
--- a/mem0-ts/src/oss/src/vector_stores/pgvector.ts
+++ b/mem0-ts/src/oss/src/vector_stores/pgvector.ts
@@ -22,7 +22,7 @@ export class PGVector implements VectorStore {
   private config: PGVectorConfig;
 
   constructor(config: PGVectorConfig) {
-    this.collectionName = config.collectionName;
+    this.collectionName = config.collectionName || "memories";
     this.useDiskann = config.diskann || false;
     this.useHnsw = config.hnsw || false;
     this.dbName = config.dbname || "vector_store";