diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
index b092b9ab..229f265b 100644
--- a/.github/workflows/continuous_integration.yml
+++ b/.github/workflows/continuous_integration.yml
@@ -57,6 +57,54 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: mvn -B package --file pom.xml --settings ci/settings.xml -DskipTests=true
+  build_jdk12:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 12
+        uses: actions/setup-java@v1
+        with:
+          java-version: 12
+      - name: Build with Maven
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: mvn -B package --file pom.xml --settings ci/settings.xml -DskipTests=true
+  build_jdk13:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 13
+        uses: actions/setup-java@v1
+        with:
+          java-version: 13
+      - name: Build with Maven
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: mvn -B package --file pom.xml --settings ci/settings.xml -DskipTests=true
+  build_jdk14:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 14
+        uses: actions/setup-java@v1
+        with:
+          java-version: 14
+      - name: Build with Maven
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: mvn -B package --file pom.xml --settings ci/settings.xml -DskipTests=true
+  build_jdk15:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 15
+        uses: actions/setup-java@v1
+        with:
+          java-version: 15
+      - name: Build with Maven
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: mvn -B package --file pom.xml --settings ci/settings.xml -DskipTests=true
   integration_test:
     runs-on: ubuntu-latest
     steps:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ec361003..35c7278c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -2,8 +2,9 @@ name: Release
 
 on:
   push:
-    branches:
-      - master
+    tags:
+      - 1.*
+      - 2.*
 
 jobs:
   deploy:
diff --git a/README.adoc b/README.adoc
index 0af65351..a9fbe8c0 100644
--- a/README.adoc
+++ b/README.adoc
@@ -30,6 +30,10 @@ Feel free to get in touch by visiting our https://www.lmis.de[website] or contac
 
 This project contains the API for the communication with the agrirouter. Everything you need for the onboarding process, secure communication and much more.
 
+== Releases
+
+The release workflow follows the https://docs.microsoft.com/en-us/azure/devops/repos/git/git-branching-guidance?view=azure-devops[Microsoft DevOps Release Model] where a release shows up as a branch in the repository.
+
 == Modules
 
 === `api` Module
diff --git a/agrirouter-api-java-api/pom.xml b/agrirouter-api-java-api/pom.xml
index 3d2bc243..1faf659f 100644
--- a/agrirouter-api-java-api/pom.xml
+++ b/agrirouter-api-java-api/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.agrirouter.api</groupId>
         <artifactId>agrirouter-api-java</artifactId>
-        <version>1.4.0</version>
+        <version>2.0.0-SNAPSHOT</version>
     </parent>
     <name>AGRIROUTER API JAVA - API</name>
     <artifactId>agrirouter-api-java-api</artifactId>
diff --git a/agrirouter-api-java-convenience/pom.xml b/agrirouter-api-java-convenience/pom.xml
index 253b5ad1..42b473c1 100644
--- a/agrirouter-api-java-convenience/pom.xml
+++ b/agrirouter-api-java-convenience/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.agrirouter.api</groupId>
         <artifactId>agrirouter-api-java</artifactId>
-        <version>1.4.0</version>
+        <version>2.0.0-SNAPSHOT</version>
     </parent>
     <name>AGRIROUTER API JAVA - CONVENIENCE</name>
     <artifactId>agrirouter-api-java-convenience</artifactId>
diff --git a/agrirouter-api-java-impl/pom.xml b/agrirouter-api-java-impl/pom.xml
index d09bf723..c6cbf5ff 100644
--- a/agrirouter-api-java-impl/pom.xml
+++ b/agrirouter-api-java-impl/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.agrirouter.api</groupId>
         <artifactId>agrirouter-api-java</artifactId>
-        <version>1.4.0</version>
+        <version>2.0.0-SNAPSHOT</version>
     </parent>
     <name>AGRIROUTER API JAVA - IMPL</name>
     <artifactId>agrirouter-api-java-impl</artifactId>
diff --git a/agrirouter-api-tests/pom.xml b/agrirouter-api-tests/pom.xml
index 70b0b576..cdcce731 100644
--- a/agrirouter-api-tests/pom.xml
+++ b/agrirouter-api-tests/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>agrirouter-api-java</artifactId>
         <groupId>com.agrirouter.api</groupId>
-        <version>1.4.0</version>
+        <version>2.0.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <name>AGRIROUTER API JAVA - TESTS</name>
diff --git a/pom.xml b/pom.xml
index 37fd2257..27659504 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>com.agrirouter.api</groupId>
     <artifactId>agrirouter-api-java</artifactId>
-    <version>1.4.0</version>
+    <version>2.0.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>AGRIROUTER API JAVA</name>