diff --git a/setup/docker/README.md b/setup/docker/README.md
index 76a577de..d72aae70 100644
--- a/setup/docker/README.md
+++ b/setup/docker/README.md
@@ -13,6 +13,78 @@ This is the Git repo of the official Docker image for vuls.
 
 This image version is same as the github repository version.
 
+# Caution
+
+This image is built per commit.
+If you want to use the latest docker image, you should remove the existing image, and pull it once again.
+
+1. Confirm your vuls version
+
+- go-cve-dictionary
+
+```console
+$ docker run  --rm  vuls/go-cve-dictionary -v
+
+go-cve-dictionary v0.0.xxx xxxx
+```
+
+- vuls
+
+```console
+$ docker run  --rm  vuls/vuls -v
+
+vuls v0.0.xxx xxxx
+```
+
+2. Remove your old docker images
+
+- go-cve-dictionary
+
+```
+$ docker rmi vuls/go-cve-dictionary
+```
+
+```
+$ docker rmi vuls/vuls
+```
+
+- vuls
+
+```
+$ docker rmi vuls/vuls
+```
+
+3. Pull new vuls docker images
+
+- go-cve-dictionary
+
+```
+$ docker pull vuls/go-cve-dictionary
+```
+
+- vuls
+
+```
+$ docker pull vuls/vuls
+```
+
+4. Confirm your vuls version
+
+```console
+$ docker run  --rm  vuls/go-cve-dictionary -v
+
+go-cve-dictionary v0.1.xxx xxxx
+```
+
+- vuls
+
+```console
+$ docker run  --rm  vuls/vuls -v
+
+vuls v0.1.xxx xxxx
+```
+
+
 # How to use this image
 
 1. fetch nvd (vuls/go-cve-dictionary)
diff --git a/setup/docker/go-cve-dictionary/latest/README.md b/setup/docker/go-cve-dictionary/latest/README.md
index 9e16d257..588294ae 100644
--- a/setup/docker/go-cve-dictionary/latest/README.md
+++ b/setup/docker/go-cve-dictionary/latest/README.md
@@ -12,6 +12,18 @@ See the [Hub page](https://hub.docker.com/r/vuls/go-cve-dictionary/) for the ful
 This image is built per commit.
 If you want to use the latest docker image, you should remove the existing image, and pull it once again.
 
+- Remove old docker image
+
+```
+$ docker rmi vuls/go-cve-dictionary
+```
+
+- Pull new docker image
+
+```
+$ docker pull vuls/go-cve-dictionary
+```
+
 # What is go-cve-dictionary?
 
 This is tool to build a local copy of the NVD (National Vulnerabilities Database) [1] and the Japanese JVN [2], which contain security vulnerabilities according to their CVE identifiers [3] including exhaustive information and a risk score. The local copy is generated in sqlite format, and the tool has a server mode for easy querying.
diff --git a/setup/docker/vuls/latest/README.md b/setup/docker/vuls/latest/README.md
index 6b878599..0fe86285 100644
--- a/setup/docker/vuls/latest/README.md
+++ b/setup/docker/vuls/latest/README.md
@@ -12,6 +12,18 @@ See the [Hub page](https://hub.docker.com/r/vuls/vuls/) for the full readme on h
 This image is built per commit.
 If you want to use the latest docker image, you should remove the existing image, and pull it once again.
 
+- Remove old docker image
+
+```
+$ docker rmi vuls/vuls
+```
+
+- Pull new docker image
+
+```
+$ docker pull vuls/vuls
+```
+
 # What is Vuls?
 
 Vuls is the Vulnerability scanner for Linux/FreeBSD, agentless, written in golang.