diff --git a/package-lock.json b/package-lock.json
index f400735f5..4a2dc15d2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "@modelcontextprotocol/sdk",
-    "version": "1.19.1",
+    "version": "1.20.0",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@modelcontextprotocol/sdk",
-            "version": "1.19.1",
+            "version": "1.20.0",
             "license": "MIT",
             "dependencies": {
                 "ajv": "^6.12.6",
diff --git a/package.json b/package.json
index cda66abe3..ad0db7075 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@modelcontextprotocol/sdk",
-    "version": "1.19.1",
+    "version": "1.20.0",
     "description": "Model Context Protocol implementation for TypeScript",
     "license": "MIT",
     "author": "Anthropic, PBC (https://anthropic.com)",