diff --git a/hubspot-style-test/pom.xml b/hubspot-style-test/pom.xml
index 459b4f2..1497841 100644
--- a/hubspot-style-test/pom.xml
+++ b/hubspot-style-test/pom.xml
@@ -45,4 +45,11 @@
       <scope>test</scope>
     </dependency>
   </dependencies>
+
+  <licenses>
+    <license>
+      <name>The Apache License, Version 2.0</name>
+      <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+    </license>
+  </licenses>
 </project>
diff --git a/hubspot-style/pom.xml b/hubspot-style/pom.xml
index 3f0a6a1..db3bfde 100644
--- a/hubspot-style/pom.xml
+++ b/hubspot-style/pom.xml
@@ -80,4 +80,11 @@
       <scope>test</scope>
     </dependency>
   </dependencies>
+
+  <licenses>
+    <license>
+      <name>The Apache License, Version 2.0</name>
+      <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+    </license>
+  </licenses>
 </project>
diff --git a/immutable-collection-encodings-test/pom.xml b/immutable-collection-encodings-test/pom.xml
index 3ddee4d..5979fe9 100644
--- a/immutable-collection-encodings-test/pom.xml
+++ b/immutable-collection-encodings-test/pom.xml
@@ -65,4 +65,11 @@
       <scope>test</scope>
     </dependency>
   </dependencies>
+
+  <licenses>
+    <license>
+      <name>The Apache License, Version 2.0</name>
+      <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+    </license>
+  </licenses>
 </project>
diff --git a/immutable-collection-encodings/pom.xml b/immutable-collection-encodings/pom.xml
index c763bb0..2418cb4 100644
--- a/immutable-collection-encodings/pom.xml
+++ b/immutable-collection-encodings/pom.xml
@@ -30,4 +30,11 @@
       <artifactId>guava</artifactId>
     </dependency>
   </dependencies>
+
+  <licenses>
+    <license>
+      <name>The Apache License, Version 2.0</name>
+      <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+    </license>
+  </licenses>
 </project>
diff --git a/immutables-exceptions/pom.xml b/immutables-exceptions/pom.xml
index 6289c78..82e0df5 100644
--- a/immutables-exceptions/pom.xml
+++ b/immutables-exceptions/pom.xml
@@ -21,4 +21,11 @@
       <artifactId>guava</artifactId>
     </dependency>
   </dependencies>
+
+  <licenses>
+    <license>
+      <name>The Apache License, Version 2.0</name>
+      <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+    </license>
+  </licenses>
 </project>