diff --git a/roles/matrix_riot/defaults/main.yml b/roles/matrix_riot/defaults/main.yml
index 2308d6a..f8d991f 100644
--- a/roles/matrix_riot/defaults/main.yml
+++ b/roles/matrix_riot/defaults/main.yml
@@ -5,9 +5,9 @@
 riot_id: riot
 
 # Version to deploy, and expected sha1
-riot_version: 1.7.8
+riot_version: 1.7.9
 # sha1sum of the tar.gz
-riot_archive_sha1: 4cebb4158026929dd84556b48e40cd1509f31c2e
+riot_archive_sha1: 57f7f6825b4347721367e973ea27c3474f5cff90
 
 # Where to install riot
 riot_root_dir: /opt/matrix/riot
diff --git a/roles/matrix_synapse/defaults/main.yml b/roles/matrix_synapse/defaults/main.yml
index e467726..76eae01 100644
--- a/roles/matrix_synapse/defaults/main.yml
+++ b/roles/matrix_synapse/defaults/main.yml
@@ -1,7 +1,7 @@
 ---
 
 # Synapse version to deploy
-synapse_version: 1.20.1
+synapse_version: 1.21.0
 
 # Synapse install dir
 synapse_root_dir: /opt/matrix/synapse
diff --git a/roles/matrix_synapse/tasks/install.yml b/roles/matrix_synapse/tasks/install.yml
index 579bd10..e979b85 100644
--- a/roles/matrix_synapse/tasks/install.yml
+++ b/roles/matrix_synapse/tasks/install.yml
@@ -50,7 +50,7 @@
       - pysaml2
       - mock
       - six
-      - authlib
+      - authlib==0.14.3  # 0.15 breaks OIDC auth
   notify: restart synapse
   tags: matrix