diff --git a/docker-compose.yml b/docker-compose.yml
index a5403c0..cc79286 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -20,7 +20,7 @@ services:
       - matrix
 
   mas:
-    image: ghcr.io/element-hq/matrix-authentication-service:latest@sha256:5a24857b4cf429d21eb823cc80bf0bc78ffc055c303ef898a0f2e32cbf57c194
+    image: ghcr.io/element-hq/matrix-authentication-service:0.14.1@sha256:5a24857b4cf429d21eb823cc80bf0bc78ffc055c303ef898a0f2e32cbf57c194
     restart: unless-stopped
     volumes:
       - mas_data:/data