diff --git a/Android.bp b/Android.bp
index 9cd4f98..267cd48 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,3 +1,7 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
 cc_defaults {
     name: "stats_defaults",
     cflags: [
diff --git a/libpsi/Android.bp b/libpsi/Android.bp
index 0d8592a..eff9f38 100644
--- a/libpsi/Android.bp
+++ b/libpsi/Android.bp
@@ -1,3 +1,7 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
 cc_library_headers {
     name: "libpsi_headers",
     export_include_dirs: ["include"],
diff --git a/tests/Android.bp b/tests/Android.bp
index 4e845fd..dfbe0c7 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -12,6 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
 cc_test {
     name: "lmkd_unit_test",