diff --git a/Jenkinsfile b/Jenkinsfile
index f70d9c6..46fc6a5 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -65,14 +65,16 @@
 lazyConfig(
   name: 'dummy-and',
   env: [
-    RELEASE:          true,
-    JAVA_HOME:        '/usr/java/latest',
-    ANDROID_HOME:     '/opt/android/sdk',
-    GRADLE_USER_HOME: '/opt/android/gradle',
-    GRADLE_OPTS:      '-XX:MaxMetaspaceSize=256m -Xmx1792m -Dfile.encoding=UTF-8 -Duser.country=US -Duser.language=en -Duser.variant -Dme.jenkins -Dorg.gradle.daemon=false -Dkotlin.compiler.execution.strategy=in-process',
-    GOOGLE_API_CID:   'dappre-google-api',
-	FIREBASE_API_CID: 'dappre-firebase-api',
-	FIREBASE_GROUPS:  'dev',
+    RELEASE:              true,
+    JAVA_HOME:            '/usr/java/latest',
+    ANDROID_HOME:         '/opt/android/sdk',
+    GRADLE_USER_HOME:     '/opt/android/gradle',
+    GRADLE_OPTS:          '-XX:MaxMetaspaceSize=256m -Xmx1792m -Dfile.encoding=UTF-8 -Duser.country=US -Duser.language=en -Duser.variant -Dme.jenkins -Dorg.gradle.daemon=false -Dkotlin.compiler.execution.strategy=in-process',
+    ANDROID_KEYALIAS:     'signing',
+    ANDROID_KEYSTORE_CID: 'dummy-android',
+    GOOGLE_API_CID:       'dappre-google-api',
+    FIREBASE_API_CID:     'dappre-firebase-api',
+    FIREBASE_GROUPS:      'dev',
   ],
   noIndex:       '(.+_.+|production)',   // Avoid automatic indexing for release and private branches
   xmppTargets:   'noise@conference.qiy.nl',
diff --git a/README.md b/README.md
index a6c41c6..5ea3ee2 100644
--- a/README.md
+++ b/README.md
@@ -1,18 +1,22 @@
 # Dummy Android
 
-## Requirements
+## Docker
+
+This project relies on Docker to allow development using the same environment as the CI server (Jenkins).
+
+### Requirements
 
 - Android SDK
 - Docker (18.09.1+)
 - Docker Composer (1.21.0+)
 
-## Configuration
+### Configuration
 
 By default, Android SDK is expected under `~/android/sdk`.
 It is possible to adapt this path in `docker-compose.yml`.
 But it may also be specified in your `local.properties`!
 
-## Usage
+### Usage
 
 The following command should build (if required) and start a shell session inside the container:
 
@@ -33,3 +37,16 @@
 bundle update fastlane
 bundle update
 ```
+
+## Jenkins
+
+The project is designed to be build from a Jenkins server, which will provide the above requirements.
+
+### Dependencies
+
+- [Jenkins Lazy Lib](https://github.com/digital-me/jenkins-lib-lazy)
+- [Jenkins Custom Lib]()
+
+### Usage
+
+Like all projects using lazyLib, each build can be altered with LAZY_ENV parameter.
diff --git a/fastlane/metadata/android/en-US/changelogs/latest.txt b/fastlane/metadata/android/en-US/changelogs/latest.txt
index 600e25c..ed3b331 100644
--- a/fastlane/metadata/android/en-US/changelogs/latest.txt
+++ b/fastlane/metadata/android/en-US/changelogs/latest.txt
@@ -1,4 +1,3 @@
-- Nothing visible
-- Backport latest Gradle config from Dappre
-- Improves PL with better validation
-- Support Firebase App Distribution
+- Switch to new signing key - reinstall needed 
+- Nothing else visible
+- Update base image to CentOS 7.8
diff --git a/fastlane/metadata/android/nl-NL/changelogs/latest.txt b/fastlane/metadata/android/nl-NL/changelogs/latest.txt
index 2ebc369..0274f99 100644
--- a/fastlane/metadata/android/nl-NL/changelogs/latest.txt
+++ b/fastlane/metadata/android/nl-NL/changelogs/latest.txt
@@ -1,3 +1,3 @@
-- Niets zichtbaar
-- Backports van Dappre
-- Verbeterd PL
\ No newline at end of file
+- Wisselen nieuwe specifiek sleutel - reinstall nodig
+- Niets anders zichtbaar
+- Bijwerken base image met CentOS 7.8
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 9e1d929..bcf7aa8 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
diff --git a/lazyDir/centos7.Dockerfile b/lazyDir/centos7.Dockerfile
index 66da721..da1ff9d 100644
--- a/lazyDir/centos7.Dockerfile
+++ b/lazyDir/centos7.Dockerfile
@@ -18,7 +18,7 @@
 #
 
 # Pull base image from official repo
-FROM centos:centos7.7.1908
+FROM centos:centos7.8.2003
 
 # Import local GPG keys and enable epel repo
 RUN rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 && \