diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5a17bc8e..c7425957 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -41,4 +41,4 @@ jobs:
           cloud-url: file://~
           stack-name: dev
           work-dir: .github/test-stacks/golang
-      - run: echo "The random string is ${{ steps.pulumi.outputs.name }}"
+      - run: echo "The random string is `${{ steps.pulumi.outputs.name }}`"
diff --git a/.github/workflows/workflow_options.yml b/.github/workflows/workflow_options.yml
index 39dd1267..355066b0 100644
--- a/.github/workflows/workflow_options.yml
+++ b/.github/workflows/workflow_options.yml
@@ -9,7 +9,7 @@ on:
 jobs:
   test-workflow:
     runs-on: ${{ matrix.os }}
-    name: Testing Pulumi ${{ matrix.command }} on ${{ matrix.os }}
+    name: Testing arguments - ${{ matrix.command }} on ${{ matrix.os }}
     strategy:
       matrix:
         command: [ up, refresh, destroy, preview ]
@@ -43,3 +43,36 @@ jobs:
           message: this-is-just-a-test
           expect-no-changes: false
           diff: true
+  test-refresh-and-upsert:
+    runs-on: ${{ matrix.os }}
+    name: Testing refresh/upsert – ${{ matrix.command }} on ${{ matrix.os }}
+    strategy:
+      matrix:
+        command: [ up, refresh, destroy, preview ]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 14.x
+      - name: Install pulumi
+        uses: pulumi/action-install-pulumi-cli@v1.0.1
+      - name: Create local stack
+        run: |
+          pulumi login --local
+        working-directory: .github/test-stacks/nodejs
+        env:
+          PULUMI_CONFIG_PASSPHRASE: not-a-secret
+      - run: npm install
+        working-directory: .github/test-stacks/nodejs
+      - uses: ./
+        env:
+          PULUMI_CONFIG_PASSPHRASE: not-a-secret
+        with:
+          command: ${{ matrix.command }}
+          cloud-url: file://~
+          stack-name: dev
+          work-dir: .github/test-stacks/nodejs
+          upsert: true
+          refresh: true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2ec2120f..4afc177c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,8 @@
 
 ## HEAD (Unreleased)
 
-_(none)_
+- Add ability to refresh a stack by passing `refresh: true`
+  [#128](https://github.com/pulumi/actions/pull/128)
 
 ---
 
diff --git a/README.md b/README.md
index acfb58cc..3bb5f2a2 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ The action can be configured with the following arguments:
 
 - `command` (required) - The command to pass to the Pulumi CLI. Accepted values
   are `up` (update), `refresh`, `destroy` and `preview`. This command is the
-  equivalent of running `pulumi <command>` if your terminal. 
+  equivalent of running `pulumi <command>` if your terminal.
 
 - `stack-name` (required) - The name of the stack that Pulumi will be operating
   on
@@ -60,6 +60,9 @@ The action can be configured with the following arguments:
 - `github-token` - (required if comment-on-pr) A GitHub token that has access
   levels to allow the Action to comment on a PR.
 
+- `refresh` - (optional) If `true`, stack is refreshed before running the
+  `command`.
+
 ### Extra options
 
 - `parallel` - (optional) Allow P resource operations to run in parallel at once
@@ -81,6 +84,11 @@ The action can be configured with the following arguments:
 
 - `target-dependents` - (optional) Allows updating of dependent targets
   discovered but not specified in target.
+- `upsert` - (optiona) Allows the creation of the specified stack if it
+  currently doesn't exist.  
+  **PLEASE NOTE:** This will create a Pulumi.<stack-name>.yaml file that you
+  will need to add back to source control as part of the action if you wish to
+  perform any further tasks with that stack.
 
 By default, this action will try to authenticate Pulumi with the
 [Pulumi SaaS](https://app.pulumi.com/). If you have not specified a
diff --git a/action.yml b/action.yml
index cfd70898..5269b5ba 100644
--- a/action.yml
+++ b/action.yml
@@ -51,6 +51,14 @@ inputs:
     description: 'Allows updating of dependent targets discovered but not specified in target.'
     required: false
     default: 'false'
+  refresh:
+    description: 'Perform a stack refresh as part of the operation'
+    required: false
+    default: 'false'
+  upsert:
+    description: 'Create the stack if it currently does not exist'
+    required: false
+    default: 'false'
 outputs:
   output:
     description: Output from running command
diff --git a/src/config.ts b/src/config.ts
index f22132e6..181fa1e4 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -37,6 +37,7 @@ export const config = rt
       cloudUrl: rt.String,
       githubToken: rt.String,
       upsert: rt.Boolean,
+      refresh: rt.Boolean,
     }),
   );
 
@@ -51,6 +52,7 @@ export async function makeConfig(): Promise<Config> {
     githubToken: getInput('github-token'),
     commentOnPr: parseBoolean(getInput('comment-on-pr')),
     upsert: parseBoolean(getInput('upsert')),
+    refresh: parseBoolean(getInput('refresh')),
     options: {
       parallel: parseNumber(getInput('parallel')),
       message: getInput('message'),
diff --git a/src/main.ts b/src/main.ts
index 151bc259..81582cd0 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -37,13 +37,19 @@ const main = async () => {
     ? LocalWorkspace.createOrSelectStack(stackArgs)
     : LocalWorkspace.selectStack(stackArgs));
 
-  core.startGroup(`pulumi ${config.command} on ${config.stackName}`);
-
   const onOutput = (msg: string) => {
     core.debug(msg);
     core.info(msg);
   };
 
+  if (config.refresh) {
+    core.startGroup(`Refresh stack on ${config.stackName}`);
+    await stack.refresh({ onOutput });
+    core.endGroup();
+  }
+
+  core.startGroup(`pulumi ${config.command} on ${config.stackName}`);
+
   const actions: Record<Commands, () => Promise<string>> = {
     up: () => stack.up({ onOutput, ...config.options }).then((r) => r.stdout),
     update: () =>