diff --git a/docker-compose.yml b/docker-compose.yml
index 42808ca..6e1b8eb 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -232,6 +232,7 @@ services:
             - JWT_ALLOW_EMPTY
             - JWT_AUTH_TYPE
             - JWT_ENABLE_DOMAIN_VERIFICATION
+            - JWT_SIGN_TYPE
             - JWT_TOKEN_AUTH_MODULE
             - MATRIX_UVS_URL
             - MATRIX_UVS_ISSUER
diff --git a/prosody/rootfs/defaults/conf.d/jitsi-meet.cfg.lua b/prosody/rootfs/defaults/conf.d/jitsi-meet.cfg.lua
index 5f1181a..1358057 100644
--- a/prosody/rootfs/defaults/conf.d/jitsi-meet.cfg.lua
+++ b/prosody/rootfs/defaults/conf.d/jitsi-meet.cfg.lua
@@ -134,6 +134,9 @@ VirtualHost "jigasi.meet.jitsi"
       "muc_password_check";
     }
     authentication = "token"
+    {{ if .Env.JWT_SIGN_TYPE }}
+       signature_algorithm = "{{ .Env.JWT_SIGN_TYPE }}"
+    {{ end -}}
     app_id = "jitsi";
     asap_key_server = "https://jaas-public-keys.jitsi.net/jitsi-components/prod-8x8"
     asap_accepted_issuers = { "jaas-components" }