diff --git a/README.md b/README.md
index 6884c2a..46bc2b5 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ Officially supported CI servers:
 | [AWS CodeBuild](https://aws.amazon.com/codebuild/) | `ci.CODEBUILD` | 🚫 |
 | [AppVeyor](http://www.appveyor.com) | `ci.APPVEYOR` | ✅ |
 | [Bamboo](https://www.atlassian.com/software/bamboo) by Atlassian | `ci.BAMBOO` | 🚫 |
-| [Bitbucket Pipelines](https://bitbucket.org/product/features/pipelines) | `ci.BITBUCKET` | 🚫 |
+| [Bitbucket Pipelines](https://bitbucket.org/product/features/pipelines) | `ci.BITBUCKET` | ✅ |
 | [Bitrise](https://www.bitrise.io/) | `ci.BITRISE` | ✅ |
 | [Buddy](https://buddy.works/) | `ci.BUDDY` | ✅ |
 | [Buildkite](https://buildkite.com) | `ci.BUILDKITE` | ✅ |
diff --git a/test.js b/test.js
index ade6d1b..2a1c35e 100644
--- a/test.js
+++ b/test.js
@@ -127,6 +127,42 @@ test('Azure Pipelines - Not PR', function (t) {
   t.end()
 })
 
+test('Bitbucket Pipelines - PR', function (t) {
+  process.env.BITBUCKET_COMMIT = 'true'
+  process.env.BITBUCKET_PR_ID = '42'
+
+  clearRequire('./')
+  var ci = require('./')
+
+  t.equal(ci.isCI, true)
+  t.equal(ci.isPR, true)
+  t.equal(ci.name, 'Bitbucket Pipelines')
+  t.equal(ci.BITBUCKET, true)
+  assertVendorConstants('BITBUCKET', ci, t)
+
+  delete process.env.BITBUCKET_COMMIT
+  delete process.env.BITBUCKET_PR_ID
+
+  t.end()
+})
+
+test('Bitbucket Pipelines - Not PR', function (t) {
+  process.env.BITBUCKET_COMMIT = 'true'
+
+  clearRequire('./')
+  var ci = require('./')
+
+  t.equal(ci.isCI, true)
+  t.equal(ci.isPR, false)
+  t.equal(ci.name, 'Bitbucket Pipelines')
+  t.equal(ci.BITBUCKET, true)
+  assertVendorConstants('BITBUCKET', ci, t)
+
+  delete process.env.BITBUCKET_COMMIT
+
+  t.end()
+})
+
 test('Buildkite - PR', function (t) {
   process.env.BUILDKITE = 'true'
   process.env.BUILDKITE_PULL_REQUEST = '42'
diff --git a/vendors.json b/vendors.json
index 187b787..3acdb67 100644
--- a/vendors.json
+++ b/vendors.json
@@ -19,7 +19,8 @@
   {
     "name": "Bitbucket Pipelines",
     "constant": "BITBUCKET",
-    "env": "BITBUCKET_COMMIT"
+    "env": "BITBUCKET_COMMIT",
+    "pr": "BITBUCKET_PR_ID"
   },
   {
     "name": "Bitrise",