diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f52760ca2..2243f24ce 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,7 +9,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - run: npm ci
       - run: npm run test
       - run: npm run check
diff --git a/src/action.ts b/src/action.ts
index 2a073169e..a1339e1bf 100644
--- a/src/action.ts
+++ b/src/action.ts
@@ -5,12 +5,14 @@ import { generateNotes } from '@semantic-release/release-notes-generator';
 import {
   getBranchFromRef,
   isPr,
+  isPrereleaseBranch,
   getCommits,
   getLatestPrereleaseTag,
   getLatestTag,
   getValidTags,
   mapCustomReleaseRules,
   mergeWithDefaultChangelogRules,
+  getIdentifier,
 } from './utils';
 import { createTag } from './github';
 import { Await } from './ts';
@@ -38,13 +40,18 @@ export default async function main() {
     mappedReleaseRules = mapCustomReleaseRules(customReleaseRules);
   }
 
-  const { GITHUB_REF, GITHUB_SHA } = process.env;
+  const { GITHUB_REF, GITHUB_SHA, GITHUB_EVENT_NAME } = process.env;
 
   if (!GITHUB_REF) {
     core.setFailed('Missing GITHUB_REF.');
     return;
   }
 
+  if (!GITHUB_EVENT_NAME) {
+    core.setFailed('Missing GITHUB_EVENT_NAME');
+    return;
+  }
+
   const commitRef = commitSha || GITHUB_SHA;
   if (!commitRef) {
     core.setFailed('Missing commit_sha or GITHUB_SHA.');
@@ -55,17 +62,22 @@ export default async function main() {
   const isReleaseBranch = releaseBranches
     .split(',')
     .some((branch) => currentBranch.match(branch));
-  const isPreReleaseBranch = preReleaseBranches
-    .split(',')
-    .some((branch) => currentBranch.match(branch));
-  const isPullRequest = isPr(GITHUB_REF);
+  const isPreReleaseBranch = isPrereleaseBranch(
+    preReleaseBranches,
+    currentBranch
+  );
+  const isPullRequest = isPr(GITHUB_EVENT_NAME);
   const isPrerelease = !isReleaseBranch && !isPullRequest && isPreReleaseBranch;
 
   // Sanitize identifier according to
   // https://semver.org/#backusnaur-form-grammar-for-valid-semver-versions
-  const identifier = (
-    appendToPreReleaseTag ? appendToPreReleaseTag : currentBranch
-  ).replace(/[^a-zA-Z0-9-]/g, '-');
+  const identifier = getIdentifier(
+    appendToPreReleaseTag,
+    currentBranch,
+    isPullRequest,
+    isPrerelease,
+    commitRef
+  );
 
   const prefixRegex = new RegExp(`^${tagPrefix}`);
 
@@ -181,7 +193,11 @@ export default async function main() {
       return;
     }
 
-    newVersion = incrementedVersion;
+    if (isPullRequest) {
+      newVersion = `${incrementedVersion}-${identifier}`;
+    } else {
+      newVersion = incrementedVersion;
+    }
   }
 
   core.info(`New version is ${newVersion}.`);
diff --git a/src/utils.ts b/src/utils.ts
index 05b1247f3..614009bff 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -49,8 +49,20 @@ export function getBranchFromRef(ref: string) {
   return ref.replace('refs/heads/', '');
 }
 
-export function isPr(ref: string) {
-  return ref.includes('refs/pull/');
+export function isPr(eventName: string) {
+  return eventName.includes('pull_request');
+}
+
+export function isPrereleaseBranch(
+  preReleaseBranches: string,
+  currentBranch: string
+) {
+  if (preReleaseBranches) {
+    return preReleaseBranches
+      .split(',')
+      .some((branch) => currentBranch.match(branch));
+  }
+  return false;
 }
 
 export function getLatestTag(
@@ -139,3 +151,23 @@ export function mergeWithDefaultChangelogRules(
 
   return Object.values(mergedRules).filter((rule) => !!rule.section);
 }
+
+export function getIdentifier(
+  appendToPreReleaseTag: string,
+  currentBranch: string,
+  isPullRequest: boolean,
+  isPrerelease: boolean,
+  commitRef: string
+): string {
+  // On prerelease: Sanitize identifier according to
+  // https://semver.org/#backusnaur-form-grammar-for-valid-semver-versions
+  let identifier: string;
+  if (isPullRequest) {
+    // On pull request, use commit SHA for identifier
+    return commitRef.slice(0, 7).replace(/[^a-zA-Z0-9-]/g, '-');
+  }
+  identifier = (
+    appendToPreReleaseTag ? appendToPreReleaseTag : currentBranch
+  ).replace(/[^a-zA-Z0-9-]/g, '-');
+  return identifier;
+}
diff --git a/tests/action.test.ts b/tests/action.test.ts
index 413e7bfae..9e505a527 100644
--- a/tests/action.test.ts
+++ b/tests/action.test.ts
@@ -8,6 +8,7 @@ import {
   setCommitSha,
   setInput,
   setRepository,
+  setEventName,
 } from './helper.test';
 
 jest.spyOn(core, 'debug').mockImplementation(() => {});
@@ -27,12 +28,14 @@ const mockSetOutput = jest
   .mockImplementation(() => {});
 
 const mockSetFailed = jest.spyOn(core, 'setFailed');
+const commitSha = '79e0ea271c26aa152beef77c3275ff7b8f8d8274';
 
 describe('github-tag-action', () => {
   beforeEach(() => {
     jest.clearAllMocks();
     setBranch('master');
-    setCommitSha('79e0ea271c26aa152beef77c3275ff7b8f8d8274');
+    setCommitSha(commitSha);
+    setEventName('push');
     loadDefaultInputs();
   });
 
@@ -222,6 +225,7 @@ describe('github-tag-action', () => {
       jest.clearAllMocks();
       setBranch('release');
       setInput('release_branches', 'release');
+      setEventName('push');
     });
 
     it('does create patch tag', async () => {
@@ -484,6 +488,7 @@ describe('github-tag-action', () => {
       /*
        * Then
        */
+
       expect(mockCreateTag).not.toBeCalled();
       expect(mockSetFailed).not.toBeCalled();
     });
@@ -873,4 +878,50 @@ describe('github-tag-action', () => {
       expect(mockSetFailed).not.toBeCalled();
     });
   });
+
+  describe('pull requests', () => {
+    beforeEach(() => {
+      jest.clearAllMocks();
+      setBranch('branch-with-my-first-fix');
+      setEventName('pull_request');
+    });
+
+    it('does create new version with commit sha suffix on pull request', async () => {
+      /*
+       * Given
+       */
+      const commits = [{ message: 'fix: this is my first fix', hash: null }];
+      jest
+        .spyOn(utils, 'getCommits')
+        .mockImplementation(async (sha) => commits);
+
+      const validTags = [
+        {
+          name: 'v1.2.3',
+          commit: { sha: '012345', url: '' },
+          zipball_url: '',
+          tarball_url: 'string',
+          node_id: 'string',
+        },
+      ];
+      jest
+        .spyOn(utils, 'getValidTags')
+        .mockImplementation(async () => validTags);
+
+      /*
+       * When
+       */
+      await action();
+
+      /*
+       * Then
+       */
+      expect(mockSetOutput).toHaveBeenCalledWith(
+        'new_version',
+        `1.2.4-${commitSha.slice(0, 7)}`
+      );
+      expect(mockCreateTag).not.toHaveBeenCalledWith();
+      expect(mockSetFailed).not.toBeCalled();
+    });
+  });
 });
diff --git a/tests/helper.test.ts b/tests/helper.test.ts
index d56b50be5..99cf5feb1 100644
--- a/tests/helper.test.ts
+++ b/tests/helper.test.ts
@@ -18,6 +18,10 @@ export function setCommitSha(sha: string) {
   process.env['GITHUB_SHA'] = sha;
 }
 
+export function setEventName(eventName: string) {
+  process.env['GITHUB_EVENT_NAME'] = eventName;
+}
+
 export function setInput(key: string, value: string) {
   process.env[`INPUT_${key.toUpperCase()}`] = value;
 }
diff --git a/tests/utils.test.ts b/tests/utils.test.ts
index 417d8791e..eb04d9385 100644
--- a/tests/utils.test.ts
+++ b/tests/utils.test.ts
@@ -27,16 +27,16 @@ describe('utils', () => {
     expect(branch).toEqual('master');
   });
 
-  it('test if ref is PR', () => {
+  it('test if triggering event is PR', () => {
     /*
      * Given
      */
-    const remoteRef = 'refs/pull/123/merge';
+    const eventName = 'pull_request';
 
     /*
      * When
      */
-    const isPullRequest = utils.isPr(remoteRef);
+    const isPullRequest = utils.isPr(eventName);
 
     /*
      * Then