diff --git a/CHANGELOG.md b/CHANGELOG.md
index 38bbf32a1c..a1d099bf8d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,33 @@
 # CHANGELOG
 
+## v0.0.49
+
+### Docker images
+
+component | docker pull
+--------- | -----------
+agent NGT | `docker pull vdaas/vald-agent-ngt:v0.0.49`
+agent sidecar | `docker pull vdaas/vald-agent-sidecar:v0.0.49`
+discoverer K8s | `docker pull vdaas/vald-discoverer-k8s:v0.0.49`
+gateway | `docker pull vdaas/vald-gateway:v0.0.49`
+backup manager MySQL | `docker pull vdaas/vald-manager-backup-mysql:v0.0.49`
+backup manager Cassandra | `docker pull vdaas/vald-manager-backup-cassandra:v0.0.49`
+compressor | `docker pull vdaas/vald-manager-compressor:v0.0.49`
+meta Redis | `docker pull vdaas/vald-meta-redis:v0.0.49`
+meta Cassandra | `docker pull vdaas/vald-meta-cassandra:v0.0.49`
+index manager | `docker pull vdaas/vald-manager-index:v0.0.49`
+Helm operator | `docker pull vdaas/vald-helm-operator:v0.0.49`
+
+### Documents
+- [GoDoc](https://pkg.go.dev/github.com/vdaas/vald@v0.0.49)
+- [Helm Chart Reference](https://github.com/vdaas/vald/blob/v0.0.49/charts/vald/README.md)
+- [Helm Operator Chart Reference](https://github.com/vdaas/vald/blob/v0.0.49/charts/vald-helm-operator/README.md)
+
+### Changes
+- :bug: fix agent sidecar behavior ([#598](https://github.com/vdaas/vald/pull/598))
+- :robot: Automatically update k8s manifests ([#597](https://github.com/vdaas/vald/pull/597))
+
+
 ## v0.0.48
 
 ### Docker images
diff --git a/charts/vald-helm-operator/Chart.yaml b/charts/vald-helm-operator/Chart.yaml
index c14b8eb36d..1e83351fe9 100644
--- a/charts/vald-helm-operator/Chart.yaml
+++ b/charts/vald-helm-operator/Chart.yaml
@@ -16,7 +16,7 @@
 
 apiVersion: v2
 name: vald-helm-operator
-version: v0.0.48
+version: v0.0.49
 description: A Helm chart for vald-helm-operator
 type: application
 keywords:
diff --git a/charts/vald-helm-operator/README.md b/charts/vald-helm-operator/README.md
index 10867064e2..df437e364b 100644
--- a/charts/vald-helm-operator/README.md
+++ b/charts/vald-helm-operator/README.md
@@ -3,7 +3,7 @@ vald-helm-operator
 
 This is a Helm chart to install vald-helm-operator.
 
-Current chart version is `v0.0.48`
+Current chart version is `v0.0.49`
 
 Table of Contents
 ---
@@ -66,7 +66,7 @@ Configuration
 | affinity | object | `{}` | affinity |
 | image.pullPolicy | string | `"Always"` | image pull policy |
 | image.repository | string | `"vdaas/vald-helm-operator"` | image repository |
-| image.tag | string | `"v0.0.48"` | image tag |
+| image.tag | string | `"v0.0.49"` | image tag |
 | logging.format | string | `"console"` | logging format of operator (console or json) |
 | logging.level | string | `"info"` | logging level of operator (debug, info, or error) |
 | logging.stacktraceLevel | string | `"error"` | minimum log level triggers stacktrace generation |
diff --git a/charts/vald-helm-operator/values.yaml b/charts/vald-helm-operator/values.yaml
index 6c3de8dbe3..22bfd90a43 100644
--- a/charts/vald-helm-operator/values.yaml
+++ b/charts/vald-helm-operator/values.yaml
@@ -28,7 +28,7 @@ image:
   repository: vdaas/vald-helm-operator
   # @schema {"name": "image.tag", "type": "string"}
   # image.tag -- image tag
-  tag: v0.0.48
+  tag: v0.0.49
   # @schema {"name": "image.pullPolicy", "type": "string", "enum": ["Always", "Never", "IfNotPresent"]}
   # image.pullPolicy -- image pull policy
   pullPolicy: Always
diff --git a/charts/vald/Chart.yaml b/charts/vald/Chart.yaml
index df532556a5..71ea98d470 100644
--- a/charts/vald/Chart.yaml
+++ b/charts/vald/Chart.yaml
@@ -16,7 +16,7 @@
 
 apiVersion: v2
 name: vald
-version: v0.0.48
+version: v0.0.49
 description: A distributed high scalable & high-speed approximate nearest neighbor search engine
 type: application
 keywords:
diff --git a/charts/vald/README.md b/charts/vald/README.md
index 5a64a2c376..22430f36a5 100644
--- a/charts/vald/README.md
+++ b/charts/vald/README.md
@@ -3,7 +3,7 @@ Vald
 
 This is a Helm chart to install Vald components.
 
-Current chart version is `v0.0.48`
+Current chart version is `v0.0.49`
 
 Table of Contents
 ---
@@ -425,7 +425,7 @@ Configuration
 | defaults.grpc.client.tls.cert | string | `"/path/to/cert"` | gRPC client TLS cert path |
 | defaults.grpc.client.tls.enabled | bool | `false` | gRPC client TLS enabled |
 | defaults.grpc.client.tls.key | string | `"/path/to/key"` | gRPC client TLS key path |
-| defaults.image.tag | string | `"v0.0.48"` | docker image tag |
+| defaults.image.tag | string | `"v0.0.49"` | docker image tag |
 | defaults.logging.format | string | `"raw"` | logging format. logging format must be `raw` or `json` |
 | defaults.logging.level | string | `"debug"` | logging level. logging level must be `debug`, `info`, `warn`, `error` or `fatal`. |
 | defaults.logging.logger | string | `"glg"` | logger name. currently logger must be `glg`. |
diff --git a/charts/vald/values.yaml b/charts/vald/values.yaml
index b689c1a861..ed832e5015 100644
--- a/charts/vald/values.yaml
+++ b/charts/vald/values.yaml
@@ -38,7 +38,7 @@ defaults:
   image:
     # @schema {"name": "defaults.image.tag", "type": "string"}
     # defaults.image.tag -- docker image tag
-    tag: v0.0.48
+    tag: v0.0.49
   # @schema {"name": "defaults.server_config", "type": "object", "anchor": "server_config"}
   server_config:
     # @schema {"name": "defaults.server_config.servers", "type": "object"}
diff --git a/versions/VALD_VERSION b/versions/VALD_VERSION
index 5664e3235f..3e08af8575 100644
--- a/versions/VALD_VERSION
+++ b/versions/VALD_VERSION
@@ -1 +1 @@
-v0.0.48
+v0.0.49