diff --git a/README.md b/README.md
index ca5fb4754..c8c5b5655 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ steps:
 - uses: actions/checkout@master
 - uses: actions/setup-dotnet@v1
   with:
-    version: '2.2.103' // SDK Version to use.
+    dotnet-version: '2.2.103' // SDK Version to use.
 - run: dotnet build <my project>
 ```
 
@@ -37,7 +37,7 @@ jobs:
       - name: Setup dotnet
         uses: actions/setup-dotnet@v1
         with:
-          version: ${{ matrix.dotnet }}
+          dotnet-version: ${{ matrix.dotnet }}
       - run: dotnet build <my project>
 ```
 
diff --git a/action.yml b/action.yml
index f33b2b6ca..8e39ac972 100644
--- a/action.yml
+++ b/action.yml
@@ -2,8 +2,11 @@ name: 'Setup Dotnet environment'
 description: 'Setup a Dotnet environment and add it to the PATH, additionally providing proxy support'
 author: 'GitHub'
 inputs: 
-  version:
+  dotnet-version:
     description: 'SDK version to use. E.g. 2.2.104'
+# Deprecated option, do not use. Will not be supported after October 1, 2019
+  version:
+    description: 'Deprecated. Use dotnet-version instead. Will not be supported after October 1, 2019'
 runs:
   using: 'node12'
   main: 'lib/setup-dotnet.js'
diff --git a/lib/setup-dotnet.js b/lib/setup-dotnet.js
index 7983c51ae..17d922cc2 100644
--- a/lib/setup-dotnet.js
+++ b/lib/setup-dotnet.js
@@ -25,7 +25,10 @@ function run() {
             // Version is optional.  If supplied, install / use from the tool cache
             // If not supplied then task is still used to setup proxy, auth, etc...
             //
-            const version = core.getInput('version');
+            let version = core.getInput('version');
+            if (!version) {
+                version = core.getInput('dotnet-version');
+            }
             if (version) {
                 const dotnetInstaller = new installer.DotnetCoreInstaller(version);
                 yield dotnetInstaller.installDotnet();
diff --git a/src/setup-dotnet.ts b/src/setup-dotnet.ts
index 212d01bbe..8e491e931 100644
--- a/src/setup-dotnet.ts
+++ b/src/setup-dotnet.ts
@@ -8,7 +8,10 @@ async function run() {
     // Version is optional.  If supplied, install / use from the tool cache
     // If not supplied then task is still used to setup proxy, auth, etc...
     //
-    const version = core.getInput('version');
+    let version = core.getInput('version');
+    if (!version) {
+      version = core.getInput('dotnet-version');
+    }
     if (version) {
       const dotnetInstaller = new installer.DotnetCoreInstaller(version);
       await dotnetInstaller.installDotnet();