diff --git a/buildenv/CASSANDRA_VERSIONS b/buildenv/CASSANDRA_VERSIONS
index 2b6882dd..9ac38041 100644
--- a/buildenv/CASSANDRA_VERSIONS
+++ b/buildenv/CASSANDRA_VERSIONS
@@ -1 +1 @@
-3.11.4
\ No newline at end of file
+3.11.5
diff --git a/buildenv/build-all b/buildenv/build-all
index 40d1b14c..51cf4275 100755
--- a/buildenv/build-all
+++ b/buildenv/build-all
@@ -16,5 +16,5 @@ if [[ "${CIRCLE_BRANCH}" == master ]]; then
     docker tag cassandra-sidecar:latest "${REGISTRY}/cassandra-sidecar:${TAG}"
     docker tag cassandra-sidecar:latest "${REGISTRY}/cassandra-sidecar:latest"
     docker tag cassandra:latest "${REGISTRY}/cassandra:latest"
-    docker tag cassandra:3.11.4 "${REGISTRY}/cassandra:3.11.4"
+    docker tag cassandra:3.11.5 "${REGISTRY}/cassandra:3.11.5"
 fi
diff --git a/buildenv/release-all b/buildenv/release-all
index fe4e8676..eb8d00b8 100755
--- a/buildenv/release-all
+++ b/buildenv/release-all
@@ -29,5 +29,5 @@ if [[ "${CIRCLE_BRANCH}" == master ]]; then
     docker push "${REGISTRY}/cassandra-sidecar:${TAG}"
     docker push "${REGISTRY}/cassandra-sidecar:latest"
     docker push "${REGISTRY}/cassandra:latest"
-    docker push "${REGISTRY}/cassandra:3.11.4"
+    docker push "${REGISTRY}/cassandra:3.11.5"
 fi
diff --git a/deploy/operator_bundle.yaml b/deploy/operator_bundle.yaml
index 485fa76f..82e90c2e 100644
--- a/deploy/operator_bundle.yaml
+++ b/deploy/operator_bundle.yaml
@@ -134,7 +134,7 @@ metadata:
   name: cassandra-operator-default-config
 data:
   nodes: "3"
-  cassandraImage: gcr.io/cassandra-operator/cassandra:3.11.4
+  cassandraImage: gcr.io/cassandra-operator/cassandra:3.11.5
   sidecarImage: gcr.io/cassandra-operator/cassandra-sidecar:latest
   memory: 1Gi
   disk: 1Gi
diff --git a/doc/backup_restore.md b/doc/backup_restore.md
index b072c266..a04c3477 100644
--- a/doc/backup_restore.md
+++ b/doc/backup_restore.md
@@ -112,7 +112,7 @@ metadata:
     app: cassandra
 spec:
   nodes: 3
-  cassandraImage: "gcr.io/cassandra-operator/cassandra:3.11.4"
+  cassandraImage: "gcr.io/cassandra-operator/cassandra:3.11.5"
   sidecarImage: "gcr.io/cassandra-operator/cassandra-sidecar:latest"
   imagePullPolicy: IfNotPresent
   racks:
diff --git a/doc/op_guide.md b/doc/op_guide.md
index d1fbb244..709049ee 100644
--- a/doc/op_guide.md
+++ b/doc/op_guide.md
@@ -47,7 +47,7 @@ It is possible to configure Cassandra by providing custom configuration. Refer t
 >       name: cassandra-operator-default-config
 >     data:
 >       nodes: "3"
->       cassandraImage: gcr.io/cassandra-operator/cassandra:3.11.4
+>       cassandraImage: gcr.io/cassandra-operator/cassandra:3.11.5
 >       sidecarImage: gcr.io/cassandra-operator/cassandra-sidecar:latest
 >       memory: 1Gi
 >       disk: 1Gi
@@ -211,4 +211,4 @@ Use `Memory` medium with care as the `sizeLimit` eats memory from your limits.
 [psps]: https://kubernetes.io/docs/concepts/policy/pod-security-policy/
 [rbac]: https://kubernetes.io/docs/reference/access-authn-authz/rbac/
 [storage]: https://kubernetes.io/docs/concepts/storage/persistent-volumes/
-[EmptyDir volume]: https://kubernetes.io/docs/concepts/storage/volumes/#emptydir 
\ No newline at end of file
+[EmptyDir volume]: https://kubernetes.io/docs/concepts/storage/volumes/#emptydir 
diff --git a/examples/example-datacenter.yaml b/examples/example-datacenter.yaml
index c7b874cb..72a7e2d8 100644
--- a/examples/example-datacenter.yaml
+++ b/examples/example-datacenter.yaml
@@ -16,7 +16,7 @@ spec:
     - name: "west1-a"
       labels:
         failure-domain.beta.kubernetes.io/zone: europe-west1-a
-  cassandraImage: "gcr.io/cassandra-operator/cassandra:3.11.4"
+  cassandraImage: "gcr.io/cassandra-operator/cassandra:3.11.5"
   sidecarImage: "gcr.io/cassandra-operator/cassandra-sidecar:latest"
   imagePullPolicy: IfNotPresent
   imagePullSecrets:
diff --git a/helm/cassandra/values.yaml b/helm/cassandra/values.yaml
index fc0f0673..9a0eb880 100644
--- a/helm/cassandra/values.yaml
+++ b/helm/cassandra/values.yaml
@@ -14,7 +14,7 @@ image:
 # Published images
   cassandraRepository: gcr.io/cassandra-operator/cassandra-dev
   sidecarRepository: gcr.io/cassandra-operator/cassandra-sidecar-dev
-  cassandraTag: 3.11.4
+  cassandraTag: 3.11.5
   sidecarTag: latest
 
 imagePullPolicy: IfNotPresent
diff --git a/java/pom.xml b/java/pom.xml
index 8109d522..b5975773 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -17,7 +17,7 @@
     </modules>
 
     <properties>
-        <cassandra.version>3.11.4</cassandra.version>
+        <cassandra.version>3.11.5</cassandra.version>
         <guice.version>4.2.2</guice.version>
         <guice.bridge.version>2.5.0-b42</guice.bridge.version>
         <jersey.version>2.28</jersey.version>
diff --git a/test/e2e/cassandra_test.go b/test/e2e/cassandra_test.go
index a6fddff4..f0a02dbd 100644
--- a/test/e2e/cassandra_test.go
+++ b/test/e2e/cassandra_test.go
@@ -69,7 +69,7 @@ func MinimalCassandraSpec(t *testing.T) {
 			},
 			Data: map[string]string{
 				"nodes":          "1",
-				"cassandraImage": "gcr.io/cassandra-operator/cassandra:3.11.4",
+				"cassandraImage": "gcr.io/cassandra-operator/cassandra:3.11.5",
 				"sidecarImage":   "gcr.io/cassandra-operator/cassandra-sidecar:latest",
 				"memory":         "1Gi",
 				"disk":           "1Gi",