diff --git a/.env b/.env
index af423b97c8..8559cba8e7 100644
--- a/.env
+++ b/.env
@@ -155,7 +155,7 @@ PHRASEANET_DOCKER_REGISTRY=alchemyfr
 
 # Docker images tag.
 # @run
-PHRASEANET_DOCKER_TAG=4.1.19
+PHRASEANET_DOCKER_TAG=4.1.20
 
 # Stack Name
 # An optionnal Name for the stack
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8c847a8471..cb82d0a792 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,28 @@
 # CHANGELOG
 
+## 4.1.20
+
+#### Phraseanet Upgrade
+
+- **Phraseanet Migration Patch**:
+  - A migration script for the configuration file is available. Run the following command in the setup container with Docker if the environment variable `PHRASEANET_UPGRADE=1` is set:
+    ```
+    bin/setup system:upgrade
+    ```
+
+### Stack (Docker Compose and Helm)
+
+- Bump Phraseanet base image to 1.2.3
+
+### Version Summary
+ 
+- Bump Phraseanet base image to 1.2.3
+
+### What's Changed
+
+**Full Changelog**: https://github.com/alchemy-fr/Phraseanet/compare/4.1.19...4.1.20
+
+__
 ## 4.1.19
 
 #### Phraseanet Upgrade
diff --git a/Dockerfile b/Dockerfile
index 414d437ac1..94939dc0f3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 
-FROM alchemyfr/phraseanet-base:1.2.2 AS builder
+FROM alchemyfr/phraseanet-base:1.2.3 AS builder
 
 COPY --from=composer:2.1.6 /usr/bin/composer /usr/bin/composer
 
@@ -72,7 +72,7 @@ CMD []
 # Phraseanet install and setup application image
 #########################################################################
 
-FROM alchemyfr/phraseanet-base:1.2.2 AS phraseanet-setup
+FROM alchemyfr/phraseanet-base:1.2.3 AS phraseanet-setup
 
 COPY --from=builder --chown=app /var/alchemy/Phraseanet /var/alchemy/Phraseanet
 ADD ./docker/phraseanet/root /
@@ -85,7 +85,7 @@ CMD []
 # Phraseanet web application image
 #########################################################################
 
-FROM alchemyfr/phraseanet-base:1.2.2 AS phraseanet-fpm
+FROM alchemyfr/phraseanet-base:1.2.3 AS phraseanet-fpm
 
 COPY --from=builder --chown=app /var/alchemy/Phraseanet /var/alchemy/Phraseanet
 ADD ./docker/phraseanet/root /
@@ -97,7 +97,7 @@ CMD ["php-fpm", "-F"]
 # Phraseanet worker application image
 #########################################################################
 
-FROM alchemyfr/phraseanet-base:1.2.2 AS phraseanet-worker
+FROM alchemyfr/phraseanet-base:1.2.3 AS phraseanet-worker
 
 COPY --from=builder --chown=app /var/alchemy/Phraseanet /var/alchemy/Phraseanet
 ADD ./docker/phraseanet/root /
@@ -139,7 +139,7 @@ HEALTHCHECK CMD wget --spider http://127.0.0.1/login || nginx -s reload || exit
 # phraseanet adapted simplesaml service provider 
 #########################################################################
 
-FROM alchemyfr/phraseanet-base:1.2.2 AS phraseanet-saml-sp
+FROM alchemyfr/phraseanet-base:1.2.3 AS phraseanet-saml-sp
 RUN apt-get update \
     && apt-get install -y \
         apt-transport-https \
diff --git a/lib/Alchemy/Phrasea/Core/Version.php b/lib/Alchemy/Phrasea/Core/Version.php
index 590e68cfac..a543227d48 100644
--- a/lib/Alchemy/Phrasea/Core/Version.php
+++ b/lib/Alchemy/Phrasea/Core/Version.php
@@ -17,7 +17,7 @@ class Version
      * @var string
      */
 
-    private $number = '4.1.19';
+    private $number = '4.1.20';
 
     /**
      * @var string