diff --git a/src/metadata.yaml b/src/metadata.yaml
index b969d3f..5a59d05 100644
--- a/src/metadata.yaml
+++ b/src/metadata.yaml
@@ -15,6 +15,7 @@ series:
   - xenial
   - bionic
   - cosmic
+  - disco
 tags:
   - security
 extra-bindings:
diff --git a/test-requirements.txt b/test-requirements.txt
index d855b38..bc1ce30 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -9,7 +9,7 @@ coverage>=3.6
 git+https://github.com/openstack/charms.openstack.git#egg=charms-openstack
 netifaces   # vault
 hvac<0.7.0  # vault
-psycopg2    # vault
+psycopg2-binary    # vault
 tenacity    # vault
 pbr             # vault
 cryptography    # vault