diff --git a/kubernetes-manifests/accounts-db.yaml b/kubernetes-manifests/accounts-db.yaml
index 254778149..cafa3f5b0 100644
--- a/kubernetes-manifests/accounts-db.yaml
+++ b/kubernetes-manifests/accounts-db.yaml
@@ -35,7 +35,7 @@ spec:
       serviceAccountName: default
       containers:
       - name: accounts-db
-        image: gcr.io/bank-of-anthos/accounts-db:v0.4.1
+        image: gcr.io/bank-of-anthos/accounts-db:v0.4.2
         envFrom:
           - configMapRef:
               name: environment-config
diff --git a/kubernetes-manifests/balance-reader.yaml b/kubernetes-manifests/balance-reader.yaml
index be3c8f2ef..47887809a 100644
--- a/kubernetes-manifests/balance-reader.yaml
+++ b/kubernetes-manifests/balance-reader.yaml
@@ -29,14 +29,14 @@ spec:
       terminationGracePeriodSeconds: 5
       containers:
       - name: balancereader
-        image: gcr.io/bank-of-anthos/balancereader:v0.4.1
+        image: gcr.io/bank-of-anthos/balancereader:v0.4.2
         volumeMounts:
         - name: publickey
           mountPath: "/root/.ssh"
           readOnly: true
         env:
         - name: VERSION
-          value: "v0.4.1"
+          value: "v0.4.2"
         - name: PORT
           value: "8080"
         # toggle Cloud Trace export
diff --git a/kubernetes-manifests/contacts.yaml b/kubernetes-manifests/contacts.yaml
index d7576b764..7993feba4 100644
--- a/kubernetes-manifests/contacts.yaml
+++ b/kubernetes-manifests/contacts.yaml
@@ -29,14 +29,14 @@ spec:
       terminationGracePeriodSeconds: 5
       containers:
       - name: contacts
-        image: gcr.io/bank-of-anthos/contacts:v0.4.1
+        image: gcr.io/bank-of-anthos/contacts:v0.4.2
         volumeMounts:
         - name: publickey
           mountPath: "/root/.ssh"
           readOnly: true
         env:
         - name: VERSION
-          value: "v0.4.1"
+          value: "v0.4.2"
         - name: PORT
           value: "8080"
         - name: ENABLE_TRACING
diff --git a/kubernetes-manifests/frontend.yaml b/kubernetes-manifests/frontend.yaml
index bf742bfc2..9646f4c13 100644
--- a/kubernetes-manifests/frontend.yaml
+++ b/kubernetes-manifests/frontend.yaml
@@ -29,14 +29,14 @@ spec:
       terminationGracePeriodSeconds: 5
       containers:
       - name: front
-        image: gcr.io/bank-of-anthos/frontend:v0.4.1
+        image: gcr.io/bank-of-anthos/frontend:v0.4.2
         volumeMounts:
         - name: publickey
           mountPath: "/root/.ssh"
           readOnly: true
         env:
         - name: VERSION
-          value: "v0.4.1"
+          value: "v0.4.2"
         - name: PORT
           value: "8080"
         - name: ENABLE_TRACING
@@ -74,6 +74,13 @@ spec:
           initialDelaySeconds: 10
           periodSeconds: 5
           timeoutSeconds: 10
+        livenessProbe:
+          httpGet:
+            path: /ready
+            port: 8080
+          initialDelaySeconds: 60
+          periodSeconds: 15
+          timeoutSeconds: 30
         resources:
           requests:
             cpu: 100m
diff --git a/kubernetes-manifests/ledger-db.yaml b/kubernetes-manifests/ledger-db.yaml
index 54d9e6e71..6cc88e8a4 100644
--- a/kubernetes-manifests/ledger-db.yaml
+++ b/kubernetes-manifests/ledger-db.yaml
@@ -30,7 +30,7 @@ spec:
       serviceAccountName: default
       containers:
         - name: postgres
-          image: gcr.io/bank-of-anthos/ledger-db:v0.4.1
+          image: gcr.io/bank-of-anthos/ledger-db:v0.4.2
           ports:
             - containerPort: 5432
           envFrom:
diff --git a/kubernetes-manifests/ledger-writer.yaml b/kubernetes-manifests/ledger-writer.yaml
index a71753410..c1658d7f7 100644
--- a/kubernetes-manifests/ledger-writer.yaml
+++ b/kubernetes-manifests/ledger-writer.yaml
@@ -29,14 +29,14 @@ spec:
       terminationGracePeriodSeconds: 5
       containers:
       - name: ledgerwriter
-        image: gcr.io/bank-of-anthos/ledgerwriter:v0.4.1
+        image: gcr.io/bank-of-anthos/ledgerwriter:v0.4.2
         volumeMounts:
         - name: publickey
           mountPath: "/root/.ssh"
           readOnly: true
         env:
         - name: VERSION
-          value: "v0.4.1"
+          value: "v0.4.2"
         - name: PORT
           value: "8080"
         - name: ENABLE_TRACING
diff --git a/kubernetes-manifests/loadgenerator.yaml b/kubernetes-manifests/loadgenerator.yaml
index f01909943..ff5ccd40b 100644
--- a/kubernetes-manifests/loadgenerator.yaml
+++ b/kubernetes-manifests/loadgenerator.yaml
@@ -32,7 +32,7 @@ spec:
       restartPolicy: Always
       containers:
       - name: loadgenerator
-        image: gcr.io/bank-of-anthos/loadgenerator:v0.4.1
+        image: gcr.io/bank-of-anthos/loadgenerator:v0.4.2
         env:
         - name: FRONTEND_ADDR
           value: "frontend:80"
diff --git a/kubernetes-manifests/transaction-history.yaml b/kubernetes-manifests/transaction-history.yaml
index e57953b08..2a8ce5a71 100644
--- a/kubernetes-manifests/transaction-history.yaml
+++ b/kubernetes-manifests/transaction-history.yaml
@@ -29,14 +29,14 @@ spec:
       terminationGracePeriodSeconds: 5
       containers:
       - name: transactionhistory
-        image: gcr.io/bank-of-anthos/transactionhistory:v0.4.1
+        image: gcr.io/bank-of-anthos/transactionhistory:v0.4.2
         volumeMounts:
         - name: publickey
           mountPath: "/root/.ssh"
           readOnly: true
         env:
         - name: VERSION
-          value: "v0.4.1"
+          value: "v0.4.2"
         - name: PORT
           value: "8080"
         - name: ENABLE_TRACING
diff --git a/kubernetes-manifests/userservice.yaml b/kubernetes-manifests/userservice.yaml
index 66c78237b..5cea050f0 100644
--- a/kubernetes-manifests/userservice.yaml
+++ b/kubernetes-manifests/userservice.yaml
@@ -29,7 +29,7 @@ spec:
       terminationGracePeriodSeconds: 5
       containers:
       - name: userservice
-        image: gcr.io/bank-of-anthos/userservice:v0.4.1
+        image: gcr.io/bank-of-anthos/userservice:v0.4.2
         volumeMounts:
         - name: keys
           mountPath: "/root/.ssh"
@@ -39,7 +39,7 @@ spec:
           containerPort: 8080
         env:
         - name: VERSION
-          value: "v0.4.1"
+          value: "v0.4.2"
         - name: PORT
           value: "8080"
         - name: ENABLE_TRACING