diff --git a/clients/ts/signalr-protocol-msgpack/package-lock.json b/clients/ts/signalr-protocol-msgpack/package-lock.json
index 84c50c6f60..064dcdcba1 100644
--- a/clients/ts/signalr-protocol-msgpack/package-lock.json
+++ b/clients/ts/signalr-protocol-msgpack/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@aspnet/signalr-protocol-msgpack",
-  "version": "1.0.0-rc1-t000",
+  "version": "1.1.0-preview1-t000",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/clients/ts/signalr-protocol-msgpack/package.json b/clients/ts/signalr-protocol-msgpack/package.json
index 0dd9d8f47d..a232fc89f8 100644
--- a/clients/ts/signalr-protocol-msgpack/package.json
+++ b/clients/ts/signalr-protocol-msgpack/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@aspnet/signalr-protocol-msgpack",
-  "version": "1.0.0-preview3-t000",
+  "version": "1.1.0-preview1-t000",
   "description": "MsgPack Protocol support for ASP.NET Core SignalR",
   "main": "./dist/cjs/index.js",
   "module": "./dist/esm/index.js",
diff --git a/clients/ts/signalr/package-lock.json b/clients/ts/signalr/package-lock.json
index e7e2e130b4..bded6a88f4 100644
--- a/clients/ts/signalr/package-lock.json
+++ b/clients/ts/signalr/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@aspnet/signalr",
-  "version": "1.0.0-rc1-t000",
+  "version": "1.1.0-preview1-t000",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/clients/ts/signalr/package.json b/clients/ts/signalr/package.json
index 4674918d1a..c70d4dde4c 100644
--- a/clients/ts/signalr/package.json
+++ b/clients/ts/signalr/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@aspnet/signalr",
-  "version": "1.0.0-preview3-t000",
+  "version": "1.1.0-preview1-t000",
   "description": "ASP.NET Core SignalR Client",
   "main": "./dist/cjs/index.js",
   "module": "./dist/esm/index.js",
diff --git a/version.props b/version.props
index 9b9c3da2ee..573566501b 100644
--- a/version.props
+++ b/version.props
@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <VersionPrefix>1.0.0</VersionPrefix>
+    <VersionPrefix>1.1.0</VersionPrefix>
     <VersionSuffix>preview1</VersionSuffix>
     <PackageVersion Condition="'$(IsFinalBuild)' == 'true' AND '$(VersionSuffix)' == 'rtm' ">$(VersionPrefix)</PackageVersion>
     <PackageVersion Condition="'$(IsFinalBuild)' == 'true' AND '$(VersionSuffix)' != 'rtm' ">$(VersionPrefix)-$(VersionSuffix)-final</PackageVersion>