diff --git a/ansible/tasks/userdb/templates/usr/local/bin/authorized-keys.j2 b/ansible/tasks/userdb/templates/usr/local/bin/authorized-keys.j2
index 1f9b6c2..e9ee3d5 100755
--- a/ansible/tasks/userdb/templates/usr/local/bin/authorized-keys.j2
+++ b/ansible/tasks/userdb/templates/usr/local/bin/authorized-keys.j2
@@ -1,6 +1,6 @@
 #!/bin/sh
 
 user="$(id -u "$1")"
-curl -s "{{ userdb_apidomain }}/v1/ssh_public_key?uid=eq.$user&select=type,key" \
+curl --pinnedpubkey "QUfPGxRcqlRoehidvMEsF/R1Ee1MXkb3Sxw+MNTARdY=" -s "{{ userdb_apidomain }}/v1/ssh_public_key?uid=eq.$user&select=type,key" \
   | jq -r 'map(.type + " " + .key) | .[]'