diff --git a/LICENSE b/LICENSE
index 24e4d9b..f682cf2 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2014-2016 by Markus Unterwaditzer & contributors. See
+Copyright (c) 2014-2017 by Markus Unterwaditzer & contributors. See
 AUTHORS.rst for more details.
 
 Some rights reserved.
@@ -31,3 +31,10 @@ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 SOFTWARE AND DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 DAMAGE.
+
+== etesync ==
+
+I, Tom Hacohen, hereby grant a license for EteSync's journal-manager
+(https://github.com/etesync/journal-manager) to be used as a dependency in
+vdirsyncer's test suite for the purpose of testing vdirsyncer without having
+the copyleft section of the AGPL apply to it (vdirsyncer).