diff --git a/docker/prod/docker-compose.yml b/docker/prod/docker-compose.yml
index 141fa7e..f7b2ac2 100644
--- a/docker/prod/docker-compose.yml
+++ b/docker/prod/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.3'
 
 services:
   pictrs:
-    image: asonix/pictrs:v0.3.0-alpha.3
+    image: asonix/pictrs:v0.3.0-alpha.4
     ports:
       - "127.0.0.1:8080:8080"
     restart: always