diff --git a/api/build.gradle b/api/build.gradle
index c953a381..5220765c 100644
--- a/api/build.gradle
+++ b/api/build.gradle
@@ -23,6 +23,7 @@ jar {
             'Bundle-Vendor': 'Reactive Streams SIG',
             'Bundle-Description': 'Reactive Streams API',
             'Bundle-DocURL': 'http://reactive-streams.org',
+            'Bundle-License': 'https://spdx.org/licenses/MIT-0.html',
             'Bundle-Version': project.version,
             'Export-Package': 'org.reactivestreams.*',
             'Automatic-Module-Name': 'org.reactivestreams',
diff --git a/examples/build.gradle b/examples/build.gradle
index ec4ee871..52fb3fa1 100644
--- a/examples/build.gradle
+++ b/examples/build.gradle
@@ -9,6 +9,7 @@ jar {
             'Bundle-Vendor': 'Reactive Streams SIG',
             'Bundle-Description': 'Reactive Streams Examples',
             'Bundle-DocURL': 'http://reactive-streams.org',
+            'Bundle-License': 'https://spdx.org/licenses/MIT-0.html',
             'Bundle-Version': project.version,
             'Export-Package': 'org.reactivestreams.example.*',
             'Automatic-Module-Name': 'org.reactivestreams.examples',
diff --git a/tck-flow/build.gradle b/tck-flow/build.gradle
index 2dd1d409..02308734 100644
--- a/tck-flow/build.gradle
+++ b/tck-flow/build.gradle
@@ -9,6 +9,7 @@ jar {
             'Bundle-Vendor': 'Reactive Streams SIG',
             'Bundle-Description': 'Reactive Streams TCK Flow',
             'Bundle-DocURL': 'http://reactive-streams.org',
+            'Bundle-License': 'https://spdx.org/licenses/MIT-0.html',
             'Bundle-Version': project.version,
             'Export-Package': 'org.reactivestreams.tck.flow.*',
             'Automatic-Module-Name': 'org.reactivestreams.tckflow',
diff --git a/tck/build.gradle b/tck/build.gradle
index b5424c9f..0e7b737c 100644
--- a/tck/build.gradle
+++ b/tck/build.gradle
@@ -10,6 +10,7 @@ jar {
             'Bundle-Vendor': 'Reactive Streams SIG',
             'Bundle-Description': 'Reactive Streams TCK',
             'Bundle-DocURL': 'http://reactive-streams.org',
+            'Bundle-License': 'https://spdx.org/licenses/MIT-0.html',
             'Bundle-Version': project.version,
             'Export-Package': 'org.reactivestreams.tck.*',
             'Automatic-Module-Name': 'org.reactivestreams.tck',