diff --git a/services/cassandra/backend-deployment.yaml b/services/cassandra/backend-deployment.yaml
index ecede8bc3..5501805cd 100644
--- a/services/cassandra/backend-deployment.yaml
+++ b/services/cassandra/backend-deployment.yaml
@@ -104,7 +104,7 @@ spec:
               protocol: TCP
           env:
             - name: CASSANDRA_SIM_IMAGE
-              value: registry.bstein.dev/cassandra/cassandra-sim-worker:0.9.50 # {"$imagepolicy": "cassandra:cassandra-sim-worker"}
+              value: registry.bstein.dev/cassandra/cassandra-sim-worker:0.9.51 # {"$imagepolicy": "cassandra:cassandra-sim-worker"}
             - name: CASSANDRA_GENERATOR_WORKER_IMAGE
               value: registry.bstein.dev/cassandra/cassandra-generator-worker:0.9.50 # {"$imagepolicy": "cassandra:cassandra-generator-worker"}
           envFrom:
diff --git a/services/cassandra/configmap.yaml b/services/cassandra/configmap.yaml
index 55ff5958d..636f8f191 100644
--- a/services/cassandra/configmap.yaml
+++ b/services/cassandra/configmap.yaml
@@ -20,7 +20,7 @@ data:
   CASSANDRA_NAMESPACE: cassandra
   CASSANDRA_OWNER_USER_ID_ALIASES: veles-dev=d357688e-e3e4-4f18-9491-a4ed5622deb6;a21a286c-6c82-4180-9243-7c916442ecf0=d357688e-e3e4-4f18-9491-a4ed5622deb6
   CASSANDRA_META_MAINTAINER_USER_IDS: d357688e-e3e4-4f18-9491-a4ed5622deb6
-  CASSANDRA_SIM_IMAGE: registry.bstein.dev/cassandra/cassandra-sim-worker:0.9.50 # {"$imagepolicy": "cassandra:cassandra-sim-worker"}
+  CASSANDRA_SIM_IMAGE: registry.bstein.dev/cassandra/cassandra-sim-worker:0.9.51 # {"$imagepolicy": "cassandra:cassandra-sim-worker"}
   CASSANDRA_GENERATOR_WORKER_IMAGE: registry.bstein.dev/cassandra/cassandra-generator-worker:0.9.50 # {"$imagepolicy": "cassandra:cassandra-generator-worker"}
   CASSANDRA_SIM_WORKER_VERSION: "0.8.150"
   CASSANDRA_GENERATOR_WORKER_VERSION: "0.8.150"