diff --git a/roles/matrix/tasks/main.yml b/roles/matrix/tasks/main.yml
index 0bdcac85a45e23fb35943207b39eb46dfe047f2a..d0e86a8d08c1a8ea61a88f887f95b830b9f74114 100644
--- a/roles/matrix/tasks/main.yml
+++ b/roles/matrix/tasks/main.yml
@@ -92,7 +92,7 @@
 - name: install pantalaimon
   pip:
     name:
-      - 'pantalaimon==0.9.3'
+      - 'pantalaimon==0.10.0'
     state: latest
     extra_args: '--upgrade-strategy=eager'
     virtualenv: /var/lib/synapse/venv-pantalaimon
diff --git a/roles/matrix/templates/pantalaimon.conf.j2 b/roles/matrix/templates/pantalaimon.conf.j2
index b097198fdc3e0b4466ed2bba9a5968e916bac0b4..1e29b34273ae20eae67eaa72d09b8927c7d1dc54 100644
--- a/roles/matrix/templates/pantalaimon.conf.j2
+++ b/roles/matrix/templates/pantalaimon.conf.j2
@@ -6,5 +6,6 @@ Notifications = Off
 Homeserver = https://{{ matrix_domain }}
 ListenAddress = 127.0.0.1
 ListenPort = 8009
-UseKeyring = No
 IgnoreVerification = True
+UseKeyring = No
+DropOldKeys = True