diff --git a/CHANGELOG.md b/CHANGELOG.md
index efd3739..c613cda 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,12 @@
 
 ***
 
+### Release 21.02
+
+- VNC password not enforced any more ([issue #6](https://github.com/accetto/ubuntu-vnc-xfce-g3/issues/6))
+  - it can be disabled by `run -e VNC_PW=""`
+  - readme files also updated
+
 ### Release 21.01
 
 - **TigerVNC** switched from nightly builds (1.11.80) back to the latest release (1.11.0)
diff --git a/docker/xfce-chromium/README.md b/docker/xfce-chromium/README.md
index 29670f1..ce3d89a 100644
--- a/docker/xfce-chromium/README.md
+++ b/docker/xfce-chromium/README.md
@@ -91,7 +91,9 @@ The version sticker values are generated by the script `version_sticker.sh`, whi
 
 There are two ways, how to use the created headless containers.
 
-The default **VNC user** password is **headless** and it can be changed through the environment variable **VNC_PW**. For example the following container would use the password value **mynewpwd**:
+The default **VNC user** password is **headless** and it can be changed through the environment variable **VNC_PW**. It can also be disabled by setting it to an empty string.
+
+For example, the following container would use the password value **mynewpwd**:
 
 ```shell
 docker run -d -P -e VNC_PW=mynewpwd accetto/ubuntu-vnc-xfce-chromium-g3
diff --git a/docker/xfce-firefox/README.md b/docker/xfce-firefox/README.md
index fa04360..9f1863a 100644
--- a/docker/xfce-firefox/README.md
+++ b/docker/xfce-firefox/README.md
@@ -100,7 +100,9 @@ The version sticker values are generated by the script `version_sticker.sh`, whi
 
 There are two ways, how to use the created headless containers.
 
-The default **VNC user** password is **headless** and it can be changed through the environment variable **VNC_PW**. For example the following container would use the password value **mynewpwd**:
+The default **VNC user** password is **headless** and it can be changed through the environment variable **VNC_PW**. It can also be disabled by setting it to an empty string.
+
+For example, the following container would use the password value **mynewpwd**:
 
 ```shell
 docker run -d -P -e VNC_PW=mynewpwd accetto/ubuntu-vnc-xfce-firefox-g3
diff --git a/docker/xfce/README.md b/docker/xfce/README.md
index 1f9c6f4..a95a901 100644
--- a/docker/xfce/README.md
+++ b/docker/xfce/README.md
@@ -87,7 +87,9 @@ The version sticker values are generated by the script `version_sticker.sh`, whi
 
 There are two ways, how to use the created headless containers.
 
-The default **VNC user** password is **headless** and it can be changed through the environment variable **VNC_PW**. For example the following container would use the password value **mynewpwd**:
+The default **VNC user** password is **headless** and it can be changed through the environment variable **VNC_PW**. It can also be disabled by setting it to an empty string.
+
+For example, the following container would use the password value **mynewpwd**:
 
 ```shell
 docker run -d -P -e VNC_PW=mynewpwd accetto/ubuntu-vnc-xfce-g3
diff --git a/docker/xfce/src/startup/vnc_startup.rc b/docker/xfce/src/startup/vnc_startup.rc
index b773dee..173081e 100644
--- a/docker/xfce/src/startup/vnc_startup.rc
+++ b/docker/xfce/src/startup/vnc_startup.rc
@@ -14,14 +14,17 @@ start_vnc () {
         if [ -n "${_verbose}" ] ; then echo "WARNING: No 'vncserver' is available." ; fi
         return 0
     fi
-
+    
     ### VNC requirements
+    ### Since the issue #6 is the VNC password not enforced any more, so it can be set to an empty string
+    ### by 'docker run -e VNC_PW=""'. If you still want to enforce it, bring the following line back:
+    ### || [ -z "${VNC_PW}" ] \
     if [ -z "${DISPLAY}" ] \
     || [ -z "${VNC_PORT}" ] \
-    || [ -z "${VNC_PW}" ] \
     || [ -z "${VNC_COL_DEPTH}" ] \
     || [ -z "${VNC_RESOLUTION}" ] ; then
-        cleanup "ERROR: Not all required environment variables are set: DISPLAY, VNC_PORT,VNC_PW, VNC_COL_DEPTH, VNC_RESOLUTION"
+        # cleanup "ERROR: Not all required environment variables are set: DISPLAY, VNC_PORT, VNC_PW, VNC_COL_DEPTH, VNC_RESOLUTION"
+        cleanup "ERROR: Not all required environment variables are set: DISPLAY, VNC_PORT, VNC_COL_DEPTH, VNC_RESOLUTION"
     fi
 
     passwd_path="${HOME}"/.vnc/passwd