diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9ec19d859..df27e029d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,6 +1,7 @@
 version: 2.1
 orbs:
     docker: circleci/docker@2.1.1
+    sonarcloud: sonarsource/sonarcloud@2.0.0
 executors:
   openjdk_executor:
     docker:
@@ -46,6 +47,16 @@ jobs:
             paths:
                 - mms/*
 
+  scan:
+      executor: openjdk_executor
+      working_directory: /home/circleci/mms
+      steps:
+          - checkout
+          - run:
+                name: Build classes to scan
+                command: ./gradlew build -x test
+          - sonarcloud/scan
+
   deploy_snapshot:
       executor: openjdk_executor
       working_directory: /home/circleci/mms
@@ -73,6 +84,12 @@ workflows:
               filters:
                   tags:
                       only: /[0-9.]+(-(a|b|rc)[0-9]+)?/
+        - scan:
+              filters:
+                  tags:
+                      only: /[0-9.]+(-(a|b|rc)[0-9]+)?/
+              context:
+                  - SonarCloud
         - deploy_snapshot:
               requires:
                   - build_and_test
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
new file mode 100644
index 000000000..a0c403c64
--- /dev/null
+++ b/.readthedocs.yaml
@@ -0,0 +1,22 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Set the version of Python and other tools you might need
+build:
+    os: ubuntu-22.04
+    tools:
+        python: "3.11"
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+    configuration: docs/conf.py
+
+# We recommend specifying your dependencies to enable reproducible builds:
+# https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
+# python:
+#   install:
+#   - requirements: docs/requirements.txt
\ No newline at end of file
diff --git a/README.rst b/README.rst
index 446e42f2a..0aa22a90e 100644
--- a/README.rst
+++ b/README.rst
@@ -2,13 +2,12 @@
 MMS Structured Data Version Control
 ===================================
 
+.. image:: https://sonarcloud.io/api/project_badges/measure?project=Open-MBEE_exec-mms&metric=alert_status
+   :target: https://sonarcloud.io/summary/new_code?id=Open-MBEE_exec-mms
+   :alt: SonarCloud
 
-.. image:: https://img.shields.io/lgtm/grade/java/g/Open-MBEE/mms.svg?logo=lgtm&logoWidth=18
-   :target: https://lgtm.com/projects/g/Open-MBEE/mms/context:java
-   :alt: Language grade: Java
- 
-.. image:: https://circleci.com/gh/Open-MBEE/mms.svg?style=svg
-   :target: https://circleci.com/gh/Open-MBEE/mms
+.. image:: https://circleci.com/gh/Open-MBEE/exec-mms.svg?style=svg
+   :target: https://circleci.com/gh/Open-MBEE/exec-mms
    :alt: CircleCI
 
 .. image:: https://readthedocs.org/projects/model-management-system/badge/?version=latest
diff --git a/docs/conf.py b/docs/conf.py
index 2b469ac88..24beaec43 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -19,14 +19,14 @@
 
 # -- Project information -----------------------------------------------------
 
-project = 'Model Management System'
+project = 'Model Management System (MMS 4)'
 copyright = '2020, OpenMBEE'
 author = 'OpenMBEE'
 
 master_doc = 'index'
 
 # The full version, including alpha/beta/rc tags
-release = '4.0.0'
+release = '4.0.19'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/gradle.properties b/gradle.properties
index d605db2b4..336ca74f4 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,9 +1,9 @@
-version=4.0.18
+version=4.0.19
 group=org.openmbee.mms
 
-springBootVersion=2.6.7
-springFrameworkVersion=5.3.20
-springSecurityVersion=5.7.0
-springDataVersion=2.7.0
+springBootVersion=2.7.17
+springFrameworkVersion=5.3.30
+springSecurityVersion=5.7.10
+springDataVersion=2.7.14
 jacksonVersion=2.13.3
 elasticVersion=7.8.1
\ No newline at end of file
diff --git a/sonar-project.properties b/sonar-project.properties
new file mode 100644
index 000000000..b3bfa8103
--- /dev/null
+++ b/sonar-project.properties
@@ -0,0 +1,4 @@
+sonar.projectKey=Open-MBEE_exec-mms
+sonar.organization=openmbee
+sonar.language=java
+sonar.java.binaries=**/build/classes/java/main
diff --git a/storage/README.rst b/storage/README.rst
index d668760da..fb947d2ce 100644
--- a/storage/README.rst
+++ b/storage/README.rst
@@ -12,6 +12,9 @@ If s3.access_key or s3.secret_key are omitted, will follow the `default credenti
 Configuration
 ^^^^^^^^^^^^^
 
+  s3.endpoint
+    Endpoint of S3 compliant storage service
+
   s3.access_key
     This is the access key for the S3 bucket. Required.