diff --git a/requirements.in b/requirements.in
index c38e81f..d96fffb 100644
--- a/requirements.in
+++ b/requirements.in
@@ -14,6 +14,7 @@
 # limitations under the License.
 ##
 bitarray
+charm-tools
 haikunator
 pyangbind
 python-openstackclient