diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6c1bade0..1e6b4e0c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,9 +2,8 @@
 
 ## HEAD (Unreleased)
 
-**(none)**
-
----
+- feat: Add `working-directory` as an alias for `work-dir` input to improve compatibility with other GitHub Actions
+  ([#1352](https://github.com/pulumi/actions/pull/1352))
 
 ## 6.0.1 (2025-01-13)
 
diff --git a/README.md b/README.md
index 4c6a0119..39380dab 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ The action can be configured with the following arguments:
   outside of your individual account. This field is required if a `command` was
   specified.
 
-- `work-dir` (optional) - The location of your Pulumi files. Defaults to `./`.
+- `work-dir` (optional) - The location of your Pulumi files. Defaults to `./`. Also accepts `working-directory` as an alias to maintain compatibility with other GitHub Actions.
 
 - `cloud-url` - (optional) - the Pulumi backend to login to. This would be the
   equivalent of what would be passed to the `pulumi login` command. The action
@@ -255,6 +255,10 @@ Previously, if `refresh` was true, the action would run `pulumi refresh` before
 the desired command. In v6, the `pulumi up` and `pulumi preview` commands will
 be run with the `--refresh` flag if `refresh` is true.
 
+Additionally, v6 introduces `working-directory` as an alias for `work-dir` input
+to improve compatibility with other GitHub Actions that commonly use
+`working-directory` as the standard parameter name.
+
 ## Migrating from v4
 
 v5 of the Pulumi Action updates the NodeJS runtime from Node 16 to Node 20.
diff --git a/action.yml b/action.yml
index 9461a949..eb42e9c7 100644
--- a/action.yml
+++ b/action.yml
@@ -21,6 +21,10 @@ inputs:
     description: 'Location of your Pulumi files. Defaults to ./'
     required: false
     default: ./
+  working-directory:
+    description: 'Alias for work-dir. Location of your Pulumi files. Defaults to ./'
+    required: false
+    default: ./
   comment-on-pr:
     description: 'If true, a comment will be created with results'
     required: false
diff --git a/src/__tests__/config.test.ts b/src/__tests__/config.test.ts
index 81418498..ae824e94 100644
--- a/src/__tests__/config.test.ts
+++ b/src/__tests__/config.test.ts
@@ -199,4 +199,76 @@ describe('config.ts', () => {
       /Only one of 'pulumi-version' or 'pulumi-version-file' should be provided, got both/,
     );
   });
+
+  it('should use working-directory when work-dir is not provided', async () => {
+    jest.mock('@actions/core', () => ({
+      getInput: jest.fn((name: string) => {
+        switch (name) {
+          case 'work-dir':
+            return '';
+          case 'working-directory':
+            return '/custom/path';
+          default:
+            return defaultConfig[name];
+        }
+      }),
+      getBooleanInput: jest.fn((name: string) => {
+        return defaultConfig[name];
+      }),
+      getMultilineInput: jest.fn((name: string) => {
+        return defaultConfig[name];
+      }),
+    }));
+    const { makeConfig } = require('../config');
+    const c = makeConfig();
+    expect(c.workDir).toBe('/custom/path');
+  });
+
+  it('should use work-dir when working-directory is not provided', async () => {
+    jest.mock('@actions/core', () => ({
+      getInput: jest.fn((name: string) => {
+        switch (name) {
+          case 'work-dir':
+            return '/custom/path';
+          case 'working-directory':
+            return '';
+          default:
+            return defaultConfig[name];
+        }
+      }),
+      getBooleanInput: jest.fn((name: string) => {
+        return defaultConfig[name];
+      }),
+      getMultilineInput: jest.fn((name: string) => {
+        return defaultConfig[name];
+      }),
+    }));
+    const { makeConfig } = require('../config');
+    const c = makeConfig();
+    expect(c.workDir).toBe('/custom/path');
+  });
+
+  it('should prefer work-dir over working-directory when both are provided', async () => {
+    jest.mock('@actions/core', () => ({
+      getInput: jest.fn((name: string) => {
+        switch (name) {
+          case 'work-dir':
+            return '/work/dir/path';
+          case 'working-directory':
+            return '/working/directory/path';
+          default:
+            return defaultConfig[name];
+        }
+      }),
+      getBooleanInput: jest.fn((name: string) => {
+        return defaultConfig[name];
+      }),
+      getMultilineInput: jest.fn((name: string) => {
+        return defaultConfig[name];
+      }),
+    }));
+    const { makeConfig } = require('../config');
+    const c = makeConfig();
+    expect(c.workDir).toBe('/work/dir/path');
+  });
 });
diff --git a/src/config.ts b/src/config.ts
index 3f905efb..3dae1303 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -77,7 +77,7 @@ export function makeConfig() {
     }),
     stackName: getInput('stack-name', { required: true }),
     pulumiVersion: pulumiVersion ?? '^3',
-    workDir: getInput('work-dir', { required: true }),
+    workDir: getInput('work-dir') || getInput('working-directory', { required: true }),
     secretsProvider: getInput('secrets-provider'),
     cloudUrl: getInput('cloud-url'),
     githubToken: getInput('github-token'),