diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a943038..800a7f76 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@
 
 - "Would I rather be feared or loved? Easy. Both. I want people to be afraid of how much they love me." — Michael Scott
 
+- fix: Fix types and array normalization for `include` option (#FIXME!!)
+
 ## v1.17.0
 
 - feat: Allow `include` option to be an object (#299)
diff --git a/README.md b/README.md
index c77c649b..302c69cf 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ Also, check the [example](example) directory.
 
 | Option             | Type                                                                                | Required | Description                                                                                                                                                                                                                                                                                                                                                                     |
 | ------------------ | ----------------------------------------------------------------------------------- | -------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| include            | `string`/`array`/`object`                                                           | required | One or more paths that Sentry CLI should scan recursively for sources. It will upload all `.map` files and match associated `.js` files. Can be given as an object with path-specific options. See [table below](#include) for details.                                                                                                                                         |
+| include            | `string`/`array`/`object`                                                           | required | One or more paths that Sentry CLI should scan recursively for sources. It will upload all `.map` files and match associated `.js` files. Each path can be given as an object with path-specific options. See [table below](#include) for details.                                                                                                                               |
 | org                | `string`                                                                            | optional | The slug of the Sentry organization associated with the app.                                                                                                                                                                                                                                                                                                                    |
 | project            | `string`                                                                            | optional | The slug of the Sentry project associated with the app.                                                                                                                                                                                                                                                                                                                         |
 | authToken          | `string`                                                                            | optional | The authentication token to use for all communication with Sentry. Can be obtained from https://sentry.io/settings/account/api/auth-tokens/. Required scopes: `project:releases` (and `org:read` if `setCommits` option is used).                                                                                                                                               |
diff --git a/index.d.ts b/index.d.ts
index 4758e437..1fbeea1d 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -4,6 +4,7 @@ import {
   SentryCliNewDeployOptions,
   SentryCliOptions,
   SentryCliUploadSourceMapsOptions,
+  SourceMapsPathDescriptor,
 } from '@sentry/cli';
 
 export interface SentryCliPluginOptions
@@ -13,8 +14,6 @@ export interface SentryCliPluginOptions
     >,
     Pick<
       SentryCliUploadSourceMapsOptions,
-      | 'include'
-      | 'ignore'
       | 'ignoreFile'
       | 'rewrite'
       | 'sourceMapReference'
@@ -25,6 +24,19 @@ export interface SentryCliPluginOptions
       | 'urlSuffix'
       | 'ext'
     > {
+  /**
+   * Filepaths to scan recursively for source and source map files
+   */
+  include:
+    | string
+    | SourceMapsPathDescriptor
+    | Array<string | SourceMapsPathDescriptor>;
+
+  /**
+   * Filepaths to ignore when scanning for sources and source maps
+   */
+  ignore?: string | Array<string>;
+
   /**
    * Unique name of a release, must be a string, should uniquely identify your release,
    * defaults to sentry-cli releases propose-version command which should always return the correct version
diff --git a/src/__tests__/index.spec.js b/src/__tests__/index.spec.js
index 6e4fbc8a..d2616f52 100644
--- a/src/__tests__/index.spec.js
+++ b/src/__tests__/index.spec.js
@@ -50,42 +50,72 @@ describe('constructor', () => {
     expect(sentryCliPlugin.options.rewrite).toEqual(false);
   });
 
-  test('sanitizes array options `include` and `ignore`', () => {
-    const sentryCliPlugin = new SentryCliPlugin({
+  test('sanitizes non-array options `include` and `ignore`', () => {
+    const pluginWithStringInclude = new SentryCliPlugin({
       include: 'foo',
       ignore: 'bar',
     });
-    expect(sentryCliPlugin.options.include).toEqual(['foo']);
-    expect(sentryCliPlugin.options.ignore).toEqual(['bar']);
+    expect(pluginWithStringInclude.options.include).toEqual(['foo']);
+    expect(pluginWithStringInclude.options.ignore).toEqual(['bar']);
+
+    const pluginWithObjectInclude = new SentryCliPlugin({
+      include: { paths: ['foo'], urlPrefix: '~/bar/' },
+    });
+    expect(pluginWithObjectInclude.options.include).toEqual([
+      { paths: ['foo'], urlPrefix: '~/bar/' },
+    ]);
   });
 
   test('keeps array options `include` and `ignore`', () => {
-    const sentryCliPlugin = new SentryCliPlugin({
+    const pluginWithStringArrayInclude = new SentryCliPlugin({
       include: ['foo'],
       ignore: ['bar'],
     });
-    expect(sentryCliPlugin.options.include).toEqual(['foo']);
-    expect(sentryCliPlugin.options.ignore).toEqual(['bar']);
+    expect(pluginWithStringArrayInclude.options.include).toEqual(['foo']);
+    expect(pluginWithStringArrayInclude.options.ignore).toEqual(['bar']);
+
+    const pluginWithObjectArrayInclude = new SentryCliPlugin({
+      include: { paths: ['foo'], urlPrefix: '~/bar/' },
+    });
+    expect(pluginWithObjectArrayInclude.options.include).toEqual([
+      { paths: ['foo'], urlPrefix: '~/bar/' },
+    ]);
   });
 
-  test('keeps object `ignore` option', () => {
+  test('sanitizes non-array `ignore` in object `include` option', () => {
     const sentryCliPlugin = new SentryCliPlugin({
-      include: { paths: ['foo'], urlPrefix: '~/bar/' },
+      include: [{ paths: ['foo'], ignore: 'bar' }],
     });
-    expect(sentryCliPlugin.options.include).toEqual({
-      paths: ['foo'],
-      urlPrefix: '~/bar/',
+    expect(sentryCliPlugin.options.include).toEqual([
+      {
+        paths: ['foo'],
+        ignore: ['bar'],
+      },
+    ]);
+  });
+
+  test('keeps array `ignore` in object `include` option', () => {
+    const sentryCliPlugin = new SentryCliPlugin({
+      include: [{ paths: ['foo'], ignore: ['bar'] }],
     });
+    expect(sentryCliPlugin.options.include).toEqual([
+      {
+        paths: ['foo'],
+        ignore: ['bar'],
+      },
+    ]);
   });
 
-  test('sanitizes `ignore` array option in object `ignore` option', () => {
+  test('sanitizes non-array `ignore` in non-array object `include` option', () => {
     const sentryCliPlugin = new SentryCliPlugin({
       include: { paths: ['foo'], ignore: 'bar' },
     });
-    expect(sentryCliPlugin.options.include).toEqual({
-      paths: ['foo'],
-      ignore: ['bar'],
-    });
+    expect(sentryCliPlugin.options.include).toEqual([
+      {
+        paths: ['foo'],
+        ignore: ['bar'],
+      },
+    ]);
   });
 });
 
diff --git a/src/index.js b/src/index.js
index 8ea8312d..bc82e6cd 100644
--- a/src/index.js
+++ b/src/index.js
@@ -86,13 +86,18 @@ class SentryCliPlugin {
     // the webpack plugin has looser type requirements than `@sentry/cli` -
     // ensure `include` and `ignore` options are in the right format
     if (options.include) {
-      if (typeof options.include === 'string') {
-        this.options.include = toArray(options.include);
-      }
-      if (typeof options.include === 'object') {
-        this.options.include.ignore = toArray(options.include.ignore);
-      }
+      this.options.include = toArray(options.include);
+      this.options.include.forEach(includeEntry => {
+        if (
+          typeof includeEntry === 'object' &&
+          includeEntry.ignore !== undefined
+        ) {
+          // eslint-disable-next-line no-param-reassign
+          includeEntry.ignore = toArray(includeEntry.ignore);
+        }
+      });
     }
+
     if (options.ignore) this.options.ignore = toArray(options.ignore);
 
     this.cli = this.getSentryCli();