diff --git a/docker-compose.yml b/docker-compose.yml
index c71a5fac9..9917d4881 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -28,7 +28,7 @@ services:
       - postgres_data:/var/lib/postgresql/data
 
   signal:
-    image: bbernhard/signal-cli-rest-api:0.70
+    image: bbernhard/signal-cli-rest-api:0.81
     environment:
       - MODE=native
         #- AUTO_RECEIVE_SCHEDULE=0 22 * * * #enable this parameter on demand (see description below)