diff --git a/.changeset/grumpy-hairs-rhyme.md b/.changeset/grumpy-hairs-rhyme.md
new file mode 100644
index 00000000..0512fe89
--- /dev/null
+++ b/.changeset/grumpy-hairs-rhyme.md
@@ -0,0 +1,5 @@
+---
+"@changesets/action": minor
+---
+
+added `formatChangesetsWithPrettier` option
diff --git a/action.yml b/action.yml
index 86b97909..0fbc3e37 100644
--- a/action.yml
+++ b/action.yml
@@ -31,6 +31,10 @@ inputs:
   branch:
     description: Sets the branch in which the action will run. Default to `github.ref_name` if not provided
     required: false
+  formatChangesetsWithPrettier:
+    description: Set false to opt-out of prettier formatting for changelogs
+    default: true
+    required: false
 outputs:
   published:
     description: A boolean value to indicate whether a publishing is happened or not
diff --git a/src/__snapshots__/run.test.ts.snap b/src/__snapshots__/run.test.ts.snap
index 160de8ba..ca70dbe7 100644
--- a/src/__snapshots__/run.test.ts.snap
+++ b/src/__snapshots__/run.test.ts.snap
@@ -1,5 +1,38 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`version can opt out of prettier 1`] = `
+[
+  {
+    "base": "some-branch",
+    "body": "This PR was opened by the [Changesets release](https://github.com/changesets/action) GitHub action. When you're ready to do a release, you can merge this and publish to npm yourself or [setup this action to publish automatically](https://github.com/changesets/action#with-publishing). If you're not ready to do a release yet, that's fine, whenever you add more changesets to some-branch, this PR will be updated.
+
+
+# Releases
+## simple-project-pkg-b@1.1.0
+
+### Minor Changes
+
+-   This is a summary
+
+    \`\`\`html
+    <style>custom-element::part(thing) {color:blue}</style>
+    \`\`\`
+
+## simple-project-pkg-a@1.0.1
+
+### Patch Changes
+
+-   Updated dependencies
+    -   simple-project-pkg-b@1.1.0
+",
+    "head": "changeset-release/some-branch",
+    "owner": "changesets",
+    "repo": "action",
+    "title": "Version Packages",
+  },
+]
+`;
+
 exports[`version creates simple PR 1`] = `
 [
   {
diff --git a/src/gitUtils.ts b/src/gitUtils.ts
index b15151ab..dc829a11 100644
--- a/src/gitUtils.ts
+++ b/src/gitUtils.ts
@@ -1,11 +1,7 @@
 import { exec, getExecOutput } from "@actions/exec";
 
 export const setupUser = async () => {
-  await exec("git", [
-    "config",
-    "user.name",
-    `"github-actions[bot]"`,
-  ]);
+  await exec("git", ["config", "user.name", `"github-actions[bot]"`]);
   await exec("git", [
     "config",
     "user.email",
diff --git a/src/index.ts b/src/index.ts
index 31aef207..4bd84c70 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -109,6 +109,9 @@ const getOptionalInput = (name: string) => core.getInput(name) || undefined;
         prTitle: getOptionalInput("title"),
         commitMessage: getOptionalInput("commit"),
         hasPublishScript,
+        formatChangesetsWithPrettier: core.getBooleanInput(
+          "formatChangesetsWithPrettier"
+        ),
         branch: getOptionalInput("branch"),
       });
 
diff --git a/src/run.test.ts b/src/run.test.ts
index 15d2e096..198568f4 100644
--- a/src/run.test.ts
+++ b/src/run.test.ts
@@ -18,17 +18,17 @@ jest.mock("@actions/github", () => ({
   },
 }));
 jest.mock("@actions/github/lib/utils", () => ({
-    GitHub: {
-        plugin: () => {
-            // function necessary to be used as constructor
-            return function() {
-                return {
-                    rest: mockedGithubMethods,
-                }
-            }
-        },
+  GitHub: {
+    plugin: () => {
+      // function necessary to be used as constructor
+      return function () {
+        return {
+          rest: mockedGithubMethods,
+        };
+      };
     },
-    getOctokitOptions: jest.fn(),
+  },
+  getOctokitOptions: jest.fn(),
 }));
 jest.mock("./gitUtils");
 
@@ -96,6 +96,44 @@ describe("version", () => {
     expect(mockedGithubMethods.pulls.create.mock.calls[0]).toMatchSnapshot();
   });
 
+  it("can opt out of prettier", async () => {
+    let cwd = f.copy("simple-project");
+    linkNodeModules(cwd);
+
+    mockedGithubMethods.pulls.list.mockImplementationOnce(() => ({ data: [] }));
+
+    mockedGithubMethods.pulls.create.mockImplementationOnce(() => ({
+      data: { number: 123 },
+    }));
+
+    const summary = `This is a summary
+~~~html
+<style>custom-element::part(thing) {color:blue}</style>
+~~~`;
+
+    await writeChangesets(
+      [
+        {
+          releases: [
+            {
+              name: "simple-project-pkg-b",
+              type: "minor",
+            },
+          ],
+          summary,
+        },
+      ],
+      cwd
+    );
+
+    await runVersion({
+      githubToken: "@@GITHUB_TOKEN",
+      cwd,
+    });
+
+    expect(mockedGithubMethods.pulls.create.mock.calls[0]).toMatchSnapshot();
+  });
+
   it("only includes bumped packages in the PR body", async () => {
     let cwd = f.copy("simple-project");
     linkNodeModules(cwd);
diff --git a/src/run.ts b/src/run.ts
index 326b9618..de50eea5 100644
--- a/src/run.ts
+++ b/src/run.ts
@@ -299,6 +299,7 @@ type VersionOptions = {
   commitMessage?: string;
   hasPublishScript?: boolean;
   prBodyMaxCharacters?: number;
+  formatChangesetsWithPrettier?: boolean;
   branch?: string;
 };
 
@@ -314,6 +315,7 @@ export async function runVersion({
   commitMessage = "Version Packages",
   hasPublishScript = false,
   prBodyMaxCharacters = MAX_CHARACTERS_PER_MESSAGE,
+  formatChangesetsWithPrettier = true,
   branch,
 }: VersionOptions): Promise<RunVersionResult> {
   const octokit = setupOctokit(githubToken);
@@ -337,7 +339,11 @@ export async function runVersion({
     let cmd = semver.lt(changesetsCliPkgJson.version, "2.0.0")
       ? "bump"
       : "version";
-    await exec("node", [resolveFrom(cwd, "@changesets/cli/bin.js"), cmd], {
+
+    const args = [resolveFrom(cwd, "@changesets/cli/bin.js"), cmd];
+    if (formatChangesetsWithPrettier === false)
+      args.push("--noFormatChangesetsWithPrettier");
+    await exec("node", args, {
       cwd,
     });
   }