diff --git a/inventory/group_vars/all.yml b/inventory/group_vars/all.yml
index ea9951d..adccda2 100644
--- a/inventory/group_vars/all.yml
+++ b/inventory/group_vars/all.yml
@@ -121,3 +121,12 @@ secret_pleroma_9iron_db_pass: !vault |
           37636162313364623933396232366239633338363539626637373163333130373665373038363566
           65646633636638653335356536323334646632366164633532636634376632356166306139393766
           38633934623639366263
+
+# For Matrix/Synapse
+secret_matrix_9iron_db_pass: !vault |
+          $ANSIBLE_VAULT;1.1;AES256
+          64663061333130386634323631353435376330636334623334663365633361336563393634333061
+          6531393839336532376465356132646337663339333431340a383030373166653835386239643365
+          31356462653634323162343164633130366664323034373330613764663635326534303935303230
+          6233636463636134640a386436316462643434343739333232613264303635323261616634326562
+          63316265366238383038653034326661633163346462396663346563666134393232
diff --git a/playbooks/db.yml b/playbooks/db.yml
index 855cd88..4a50fd3 100755
--- a/playbooks/db.yml
+++ b/playbooks/db.yml
@@ -55,6 +55,8 @@
             password: "{{ secret_nextcloud_9iron_db_pass }}"
           - name: pleroma
             password: "{{ secret_pleroma_9iron_db_pass }}"
+          - name: matrix
+            password: "{{ secret_matrix_9iron_db_pass }}"
         postgresql_databases:
           - name: gitea
             lc_collate: C.UTF-8
@@ -68,5 +70,9 @@
             lc_collate: C.UTF-8
             lc_ctype: C.UTF-8
             owner: pleroma
+          - name: matrix
+            lc_collate: C
+            lc_ctype: C
+            owner: matrix
       become: yes
       tags: [ db, psql ]