diff --git a/compose.yaml b/compose.yaml
index 672231b..cf3a8a8 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -24,7 +24,7 @@ services:
 
   shard-0:
     build: .
-    command: ["shard", "--index", "0", "--count", "3", "--seed", "42", "--listen", "0.0.0.0:9000"]
+    command: ["sim", "shard", "--index", "0", "--count", "3", "--seed", "42", "--listen", "0.0.0.0:9000"]
     environment:
       SIM_CONFIG: /etc/sim/config.rn
       SIM_CLUSTER_TOKEN: ${SIM_CLUSTER_TOKEN:-compose-dev-token}
@@ -38,7 +38,7 @@ services:
 
   shard-1:
     build: .
-    command: ["shard", "--index", "1", "--count", "3", "--seed", "42", "--listen", "0.0.0.0:9000"]
+    command: ["sim", "shard", "--index", "1", "--count", "3", "--seed", "42", "--listen", "0.0.0.0:9000"]
     environment:
       SIM_CONFIG: /etc/sim/config.rn
       SIM_CLUSTER_TOKEN: ${SIM_CLUSTER_TOKEN:-compose-dev-token}
@@ -52,7 +52,7 @@ services:
 
   shard-2:
     build: .
-    command: ["shard", "--index", "2", "--count", "3", "--seed", "42", "--listen", "0.0.0.0:9000"]
+    command: ["sim", "shard", "--index", "2", "--count", "3", "--seed", "42", "--listen", "0.0.0.0:9000"]
     environment:
       SIM_CONFIG: /etc/sim/config.rn
       SIM_CLUSTER_TOKEN: ${SIM_CLUSTER_TOKEN:-compose-dev-token}